generate dartisans from playlist, keep everything up to date

src/site/dartisans/episodes.yaml

+# DO NOT EDIT THIS FILE - IT IS AUTOGENERATED
+# See scripts/gen_dartisans_playlist.dart
 url-prefix: http://commondatastorage.googleapis.com/dartlang-podcast/
 episodes:
-- title: "Dartisans ep. 13: An M1 Birthday Special"
-  subtitle: An M1 Birthday Special
-  file: dartisans-ep-13-m1-birthday-special.mp3
+- title: "Dartisans ep. 16: Dart and Web Components Reloaded"
+  subtitle: "Dart and Web Components Reloaded"
+#  file: unknown.mp3
+  pubdate: 2012-12-04
+  description: "In this episode of Dartisans, Dimitri Glazkov (one of the godfathers of Web Components) gives a presentation on Dart's Web UI library. Also, John Messerly and Siggi Cherem (who helped build the Web UI library) gives a presentation on using Web UI, web components, and data-driven templates with Dart. A lot of things have changed since our last episode focused on Web Components, and this was an awesome edition of Dartisans!  Learn more about Dart at http://www.dartlang.org."
+#  length: 21815187
+  num: 16
+  youtubeid: CqS4lnO_dqs
+  thumbnail: http://i.ytimg.com/vi/CqS4lnO_dqs/0.jpg
+- title: "Dartisans ep. 15: A Re-Introduction to Dart Editor for the First Time, Again"
+  subtitle: "A Re-Introduction to Dart Editor for the First Time, Again"
+#  file: unknown.mp3
+  pubdate: 2012-11-26
+  description: "You've seen Dart Editor before, but not like this. Well, maybe you have. If you are new to Dart, you'll be amazed at how many features are in the editor. Seth Ladd shows off features like code completion, code navigation, debugging, and more. When scaling up to hundreds of thousands of lines of code, you'll be very happy you have a tool that can watch your back.  Learn more about Dart at http://www.dartlang.org."
+#  length: 21815187
+  num: 15
+  youtubeid: cGJE5-IvXOw
+  thumbnail: http://i.ytimg.com/vi/cGJE5-IvXOw/0.jpg
+- title: "Dartisans ep. 14: Dart Community Demos"
+  subtitle: "Dart Community Demos"
+#  file: unknown.mp3
+  pubdate: 2012-10-29
+  description: "The #dartlang community has been busy! Meet some members of the Dart community and see demos of their latest projects. Also, learn how an open-source contributor gained committer status for Dart!  Meet +Kevin Moore, +Alexander Aprelev, and +John McCutchan as they show off their libraries and projects. You might just see WebGL, dart2js, and BOT in action.  Learn more about Dart at http://www.dartlang.org."
+#  length: 21815187
+  num: 14
+  youtubeid: 1KYdBd4tl0Y
+  thumbnail: http://i.ytimg.com/vi/1KYdBd4tl0Y/0.jpg
+- title: "Dartisans ep. 13: An M1 Birthday Special!"
+  subtitle: "An M1 Birthday Special!"
+#  file: unknown.mp3
   pubdate: 2012-10-16
-  description: Don't miss this special episode of Dartisans! Hosts JJ Behrens
-               and Seth Ladd, with special guest Gilad Bracha, talk about
-               Dart's M1 release and what's new with the Dart SDK.
-  length: 21815187
+  description: "Don't miss this special episode of Dartisans! Hosts JJ Behrens and Seth Ladd, with special guest Gilad Bracha, talk about Dart's M1 release and what's new with the Dart SDK.  Learn more about Dart at http://www.dartlang.org."
+#  length: 21815187
   num: 13
   youtubeid: r6jG2cSocME
-
-- title: "Dartisans ep. 12: Dart and Web Components"
-  subtitle: Dart and Web Components
-  file: dartisans-ep-12-dart-and-web-components.mp3
+  thumbnail: http://i.ytimg.com/vi/r6jG2cSocME/0.jpg
+- title: "Dartisans ep. 12: Dart + Web Components"
+  subtitle: "Dart + Web Components"
+#  file: unknown.mp3
   pubdate: 2012-09-18
-  description: Web Components are ushering in the "declarative renaissance"
-               for modern web development. Watch this episode of Dartisans to
-               learn how you can build Web Components with Dart, and compile
-               them into JavaScript to run across the modern web.
-  length: 22465950
+  description: "Web Components are ushering in the 'declarative renaissance' for modern web development. Watch this episode of Dartisans to learn how you can build Web Components with Dart, and compile them into JavaScript to run across the modern web.  Learn more about Dart at http://www.dartlang.org."
+#  length: 21815187
   num: 12
   youtubeid: zUdQkSwslzc
-
+  thumbnail: http://i.ytimg.com/vi/zUdQkSwslzc/0.jpg
 - title: "Dartisans ep. 11: Compiling Dart to JavaScript"
-  subtitle: Compiling Dart to JavaScript
-  file: dartisans-ep-11-compiling-dart-to-javascript.mp3
+  subtitle: "Compiling Dart to JavaScript"
+#  file: unknown.mp3
   pubdate: 2012-08-30
-  description: Dart runs across the modern web by compiling to JavaScript.
-               In this episode of Dartisans, meet some engineers working on dart2js and
-               learn how they compile Dart to JavaScript.
-  length: 13283867
+  description: "Dart runs across the modern web by compiling to JavaScript. In this episode of Dartisans, meet some engineers working on dart2js and learn how they compile Dart to JavaScript.  Learn more about Dart at http://www.dartlang.org."
+#  length: 21815187
   num: 11
   youtubeid: rDdK0PA9Pgo
-- title: "Dartisans ep. 10: IntelliJ's Dart Plugin"
-  subtitle: IntelliJ's Dart Plugin
-  file: dartisans-ep-10-intellij-dart-plugin.mp3
-  pubdate: 2012-08-20
-  description: Edit and debug your Dart apps with IntelliJ and WebStorm! In this
-               episode of Dartisans, we'll talk to the engineers working on this
-               exciting project. Join hosts Seth Ladd and JJ Behrens to learn more
-               about writing Dart apps with JetBrain's powerful editors.
-  length: 34139088
+  thumbnail: http://i.ytimg.com/vi/rDdK0PA9Pgo/0.jpg
+- title: "Dartisans ep. 10: Dart Plugin for IntelliJ"
+  subtitle: "Dart Plugin for IntelliJ"
+#  file: unknown.mp3
+  pubdate: 2012-08-14
+  description: "Edit and debug your Dart apps with IntelliJ and WebStorm! In this episode of Dartisans, meet the engineers working on the Dart plugin for these IDEs. Join hosts Seth Ladd and JJ Behrens to learn more about writing Dart apps with JetBrain's powerful editors.  Learn more about Dart at http://dartlang.org."
+#  length: 21815187
   num: 10
   youtubeid: o9wGleperZU
-- title: 'Dartisans ep. 9: Isolates and Mirror API'
-  subtitle: Isolates and Mirror API
-  file: dartisans-ep-09-isolates-and-mirror-api.mp3
+  thumbnail: http://i.ytimg.com/vi/o9wGleperZU/0.jpg
+- title: "Dartisans ep. 9: Isolates and Mirror API"
+  subtitle: "Isolates and Mirror API"
+#  file: unknown.mp3
   pubdate: 2012-08-08
-  description: In this episode of Dartisans, we talk to Todd Turnidge,
-               a software engineer on the Dart team, about isolates, the embedding API,
-               and mirrors (for reflection). We also chat with Johnni Winther
-               about his work on dart2js.
-  length: 20256122
+  description: "Learn more about Dart's concurrency and reflection libraries. In this episode, we chat with Todd Turnidge and Johnni Winther, software engineers on the Dart team, about isolates, the embedding API, and mirrors (for reflection).  Learn more about Dart at http://dartlang.org."
+#  length: 21815187
   num: 9
   youtubeid: yV_a9G1ejwM
-- title: 'Dartisans ep. 8: Rikulo and changes to library/import syntax'
-  subtitle: Rikulo and changes to library/import syntax
-  file: dartisans-ep-08-rikulo-and-changes-to-library-import-syntax.mp3
+  thumbnail: http://i.ytimg.com/vi/yV_a9G1ejwM/0.jpg
+- title: "Dartisans ep. 8: Rikulo Framework and Changes to Libraries and Imports"
+  subtitle: "Rikulo Framework and Changes to Libraries and Imports"
+#  file: unknown.mp3
   pubdate: 2012-07-25
-  description: In this episode of Dartisans, we talk to the developers of
-               Rikulo, an open source mobile web app framework built with Dart.
-               We also chat with
-               <a href="https://plus.google.com/106019496651402300537/posts">Gilad Bracha</a>
-               about the changes to the library
-               import syntax coming with M1.
-  length: 20942858
+  description: "We talk to Tim Clare and Simon Pai about Rikulo, a 'free and open source framework for creating incredible cross-platform web and native mobile applications in Dart & HTML5.' We also talk with Gilad Bracha about changes to the way libraries and imports work.  Learn more about Dart at http://dartlang.org."
+#  length: 21815187
   num: 8
   youtubeid: LIU1fdhdmkk
-- title: 'Dartisans ep. 7: Pub and packages'
-  file: dartisans-ep-07-pub-and-packages.mp3
-  subtitle: Pub and packages
+  thumbnail: http://i.ytimg.com/vi/LIU1fdhdmkk/0.jpg
+- title: "Dartisans ep. 7: Dart News and Special Guests"
+  subtitle: "Dart News and Special Guests"
+#  file: unknown.mp3
   pubdate: 2012-07-10
-  description: In this episode of Dartisans, we talk to
-               <a href="https://plus.google.com/100798142896685420545/posts">Bob Nystrom</a>
-               and
-               <a href="https://plus.google.com/116776358422263344346/posts">Nathan Weizenbaum</a>,
-               the engineers on the pub package manager project.
-               We also chat with
-               <a href="https://plus.google.com/110066012384188006594/posts">Kevin Moore</a>,
-               one of the early pub package users.
-  length: 20191870
+  description: "In this episode of Dartisans, we talk to Kevin Moore and Bob Nystrom about the latest language changes as Dart heads to M1. We also chat about Dart's package manager and Kevin's proposed package structure.  Learn more at http://dartlang.org."
+#  length: 21815187
   num: 7
   youtubeid: HAIIfh8C2Q8
-- title: 'Dartisans ep. 6: Meet the Community'
-  file: dartisans-ep-06-meet-the-community.mp3
-  subtitle: Meet the Community
+  thumbnail: http://i.ytimg.com/vi/HAIIfh8C2Q8/0.jpg
+- title: "Dartisans ep. 6: Meet the Dart Community"
+  subtitle: "Meet the Dart Community"
+#  file: unknown.mp3
   pubdate: 2012-06-22
-  description: In this episode of Dartisans, we meet some early adopters of Dart and learn about
-               their open source work. Thanks to
-               <a href="https://plus.google.com/104569492481999771226/posts">Adam Smith</a>,
-               <a href="https://plus.google.com/117571249567635877826/posts">Chris Buckett</a>,
-               <a href="https://plus.google.com/115427174005651655317/posts">John Evans</a>,
-               <a href="https://plus.google.com/106737154382790678002/posts">John McCutchan</a>,
-               and
-               <a href="https://plus.google.com/107016091651015882408/posts">Lars Tackmann</a>
-               for joining us.
-  length: 23124272
+  description: "In this episode of Dartisans, we are joined by special guests from the Dart community. John Evans, Adam Singer, Chris Buckett, John McCutchan, and Lars Tackmann talk about their Dart libraries, what they like about Dart, and what they want to see in the future.  Learn more about Dart at http://dartlang.org."
+#  length: 21815187
   num: 6
   youtubeid: HPvTFX-HUz4
-- title: 'Dartisans ep. 5: Meet the Dart virtual machine team'
-  subtitle: Meet the Dart virtual machine team
-  file: dartisans-ep-05-dart-virtual-machine-team.mp3
-  pubdate: 2012-05-21
-  description: In this episode of Dartisans, we meet some of the Dart VM engineers. We learn about
-               their experience building VMs and what’s in store for the Dart VM.
-  length: 27532906
+  thumbnail: http://i.ytimg.com/vi/HPvTFX-HUz4/0.jpg
+- title: "Dartisans ep. 4: Hangout with the Dart Editor Team"
+  subtitle: "Hangout with the Dart Editor Team"
+#  file: unknown.mp3
+  pubdate: 2012-03-30
+  description: "This is Dartisans, the Hangout show that brings you interviews and access to the Dart team. This episode features the Dart Editor team as they demo all the new features of the editor.  You'll love what the Dart Editor team has been up to."
+#  length: 21815187
   num: 5
-  youtubeid: iaihILzMo2A
-- title: 'Dartisans ep. 4: Meet the Dart Editor team'
-  subtitle: Meet the Dart Editor team
-  file: dartisans-ep-04-dart-editor-team.mp3
-  pubdate: 2012-03-30
-  description: In this episode of Dartisans, we meet some of the Dart Editor engineers and get a demo
-               of features and functionality.
-  length: 17609091
+  youtubeid: 9MCFzEISn0c
+  thumbnail: http://i.ytimg.com/vi/9MCFzEISn0c/0.jpg
+- title: "Dartisans ep. 3: Dart Libraries with Josh Bloch"
+  subtitle: "Dart Libraries with Josh Bloch"
+#  file: unknown.mp3
+  pubdate: 2012-02-29
+  description: "In this episode of Dartisans, we chat with Josh Bloch about the Dart libraries. Josh shares some insight into library and API design."
+#  length: 21815187
   num: 4
-  youtubeid: 9MCFzEISn0c
-- title: 'Dartisans ep. 3: Library design with Josh Bloch'
-  subtitle: Library design with Josh Bloch
-  file: dartisans-ep-03-josh-bloch.mp3
-  pubdate: 2012-02-29
-  description: In this episode of Dartisans, we chat with Josh Bloch about library design and some of
-               his plans for the Dart libraries.
-  length: 25121489
+  youtubeid: wmsVHdllIPM
+  thumbnail: http://i.ytimg.com/vi/wmsVHdllIPM/0.jpg
+- title: "Dartisans ep. 2: Chromium with Dart VM Announced!"
+  subtitle: "Chromium with Dart VM Announced!"
+#  file: unknown.mp3
+  pubdate: 2012-02-15
+  description: "We announce that binary builds of Chromium with Dart VM are now available. Seth Ladd hosts with two guests from the Dart team, Vijay Menon and Anton Muhin. Download Dartium at http://www.dartlang.org/dartium/  Learn more about Dart at http://dartlang.org."
+#  length: 21815187
   num: 3
-  youtubeid: wmsVHdllIPM
-- title: 'Dartisans ep. 2: Chromium with Dart VM announced!'
-  subtitle: Chromium with Dart VM announced!
-  file: dartisans-ep-02-chromium-with-dart-vm.mp3
-  pubdate: 2012-02-15
-  description: In this episode of Dartisans, we chat with
-               <a href="https://plus.google.com/114045999004646044580/posts">Vijay Menon</a>
-               and
-               <a href="https://plus.google.com/113884493438085685730/posts">Anton Muhin</a> about their
-               announcement of binary availability of Chromium with an embedded Dart VM.
-  length: 26469408
-  num: 2
-  youtubeid: 4EHKN1ywdb4
+  youtubeid: 4EHKN1ywdb4
+  thumbnail: http://i.ytimg.com/vi/4EHKN1ywdb4/0.jpg