Add puppet syntax highlight

eg erlang, htmlembedded and puppet

Use case is for users of puppet eg wikimedia.

Change-Id: I1ffde1df10df3fcb5208d3b8278f25fe6c6c9655
diff --git a/gr-editor/gr-editor.html b/gr-editor/gr-editor.html
index 68b6d3f..0b7232f 100644
--- a/gr-editor/gr-editor.html
+++ b/gr-editor/gr-editor.html
@@ -35,11 +35,14 @@
   <script src="../bower_components/codemirror-minified/mode/clojure/clojure.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/css/css.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/dart/dart.js" ></script>
+  <script src="../bower_components/codemirror-minified/mode/erlang/erlang.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/haskell/haskell.js" ></script>
+  <script src="../bower_components/codemirror-minified/mode/htmlembedded/htmlembedded.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/htmlmixed/htmlmixed.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/javascript/javascript.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/markdown/markdown.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/php/php.js" ></script>
+  <script src="../bower_components/codemirror-minified/mode/puppet/puppet.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/python/python.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/ruby/ruby.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/sass/sass.js" ></script>