more link tweaking

src/site/docs/tutorials/templates/index.markdown

Index: src/site/docs/tutorials/templates/index.markdown
diff --git a/src/site/docs/tutorials/templates/index.markdown b/src/site/docs/tutorials/templates/index.markdown
index 8ae85362c3ca49a48b35cd232ad330c685c8733a..b4f034f6e165ba6911765a24b365a243b9937c7f 100644
--- a/src/site/docs/tutorials/templates/index.markdown
+++ b/src/site/docs/tutorials/templates/index.markdown
@@ -5,9 +5,9 @@ description: "Use template loops and conditionals for declarative UI creation."
 has-permalinks: true
 tutorial:
   id: web-ui-templates
-next: custom-elements
+next: custom-elements/
 next-title: "Define a Custom DOM Tag"
-prev: web-ui
+prev: web-ui/
 prev-title: "Get Started with Web UI"
 ---
 
@@ -56,9 +56,9 @@ Get the source code for the samples featured in this target:</p>
   </font>
 
   The Dart Web UI team recently
-  <a href="https://groups.google.com/a/dartlang.org/forum/#!topic/web-ui/6laXXxRtA7k">announced</a>
+  <a href="https://groups.google.com/a/dartlang.org/forum/#!topic/web-ui/6laXXxRtA7k" target="_blank">announced</a>
   a port of the Polymer project:
-  <a href="http://pub.dartlang.org/packages/polymer">polymer.dart</a>.
+  <a href="https://pub.dartlang.org/packages/polymer" target="_blank">polymer.dart</a>.
 
   We've converted most of the tutorial Web UI examples and compiled some
   <a href="https://github.com/dart-lang/dart-tutorials-samples/blob/master/web/to-polymer-notes.txt" target="_blank">notes</a>
@@ -114,7 +114,7 @@ After you've entered all six items, delete one. The paragraph disappears.
 
 <iframe class="running-app-frame"
         style="height:300px;width:300px;"
-        src="http://dart-lang.github.com/dart-tutorials-samples/web/target07/adlibitum/web/out/adlibitum.html">
+        src="http://dart-lang.github.io/dart-tutorials-samples/web/target07/adlibitum/web/out/adlibitum.html">
 </iframe>
 
 You can find the complete source code for this sample on github at
@@ -173,7 +173,7 @@ Try it! Type letters in the field to guess the word.
 
 <iframe class="running-app-frame"
         style="height:250px;width:300px;"
-        src="http://dart-lang.github.com/dart-tutorials-samples/web/target07/simplehangman/web/out/simplehangman.html">
+        src="http://dart-lang.github.io/dart-tutorials-samples/web/target07/simplehangman/web/out/simplehangman.html">
 </iframe>
 
 You can find the complete source code for this sample on github at
@@ -226,7 +226,7 @@ The &lt;template&gt; tag has an attribute called `iterate`.
 The value of this attribute takes the form 
 <code><em>loopvar</em> in <em>iterable</em></code>,
 where _iterable_ is a Dart expression that evaluates to an
-<a href="http://api.dartlang.org/dart_core/Iterable.html"
+<a href="https://api.dartlang.org/dart_core/Iterable.html"
    target="_blank">Iterable</a>
 object.
 The template iterates over the iterable object
@@ -252,7 +252,7 @@ Try it! Guess the word.
 
 <iframe class="running-app-frame"
         style="height:250px;width:350px;"
-        src="http://dart-lang.github.com/dart-tutorials-samples/web/target07/hangman/web/out/hangman.html">
+        src="http://dart-lang.github.io/dart-tutorials-samples/web/target07/hangman/web/out/hangman.html">
 </iframe>
 
 You can find the complete source code for this sample on github at