remove unused function
check jQuery before extending it
use ember polyfill not jQuery
check document before shy test
Split out vendored handlebars.js in favor of using
a version of handlebars.js wrapped in the
handlebars-source gem.

Also created ember-source.gemspec
as an analogue to to handlebars-source that will wrap
all /dist ember distros.
Merge pull request #2137 from machty/handlebars-source

Split out handlebars from ember-template-compiler; now we use handlebars...
document the create method in for subclasses of Ember.Object
Merge pull request #2175 from fivetanley/document-create

document the create method in for subclasses of Ember.Object
document the init function for Ember.CoreObject
remove redundant example and fix nonsensical grammar
Merge pull request #2174 from fivetanley/document-init

document the init function for Ember.CoreObject
Refresh href in linkTo when one of the params changes