removing Web UI tutorials, updating remaining 4 to current release, + review pass

src/appengine/app.yaml

 application: dart-lang
 version: CHANGEME
 # NOTE: URL is CHANGEME.dart-lang.appspot.com
 #       To get your own staging server, change 'CHANGEME' to something
 #       like 'kathyw' or 'kathyw-dartium'.
 #
 #       To deploy to dartlang.org (only from a clean master workspace)
 #       change CHANGEME to a date string: YYYY-MM-DD.
 #       For more information on making changes, see goto/dartsiteupdate.
 #
@@ skipping 14 matching lines @@
   url_blacklist:
     - http://www.dartlang.org/*/code/out/*
     - https://www.dartlang.org/*/code/out/*
 
 #default_expiration: "1d"
 
 handlers:
 - url: /\+
   script: scripts.redirector.application
 
+- url: /docs/tutorials/web-ui/
+  script: scripts.redirector.application
+
+- url: /docs/tutorials/templates/
+  script: scripts.redirector.application
+
+- url: /docs/tutorials/custom-elements/
+  script: scripts.redirector.application
+
 - url: /docs/dart-up-and-running/ch0\d.html
   script: scripts.redirector.application
 
 - url: /mailing-list
   script: scripts.redirector.application
 
 - url: /docs/spec/dartLangSpec.*
   script: scripts.redirector.application
 
 - url: /docs/getting-started/editor/.*
@@ skipping 112 matching lines @@
   upload: static/index.html
   secure: always
 
 - url: (.*\..*)
   static_files: static\1
   upload: static
   secure: always
 
 - url: .*
   script: scripts.redirector.application