Added .handlebars and .hbs as valid file extensions
Adjusted handlebars comments
Went kinda overboard with this one. Support for brackets new removeFileExtension-api to support .hbs and .handlebars-extensions, fixed deprecated usage of global CodeMirror-object, added support for both styles of handlebars comments, added support for handling this-references and @index/@key
Fixed some minor jshint-problems
Added a file with a lot of different handlebar-examples from handlebarsjs.com to check against
Merge pull request #2 from karl-sjogren/master

A lot of good stuff, like support for .hbs/.handlebars, comments, this-references