Register sprockets engine in config.before_initialize.
This fixes template compilation on Rails 4.0.0.rc1.
Update README.md
fix ember-source and handlebars-sources versions
fix failing tests, and remove gem files, no longer 
reference in the Appraisals file
add ruby 2.0.0 tests (and make them work)
Remove description about latest version

The version described in README.md is too hard to keep maintenance.
Merge pull request #194 from tricknotes/remove-version

Remove description about latest version
update readme, for latest version dependencies.

Once we are out of rc's we can stop with this madness.
fix version references
rails generate ember:install --head now just fetches from the cdn
generated router should provide a simple and update to date example
coffee and js store's should be generated the same
add useful doc links to generated files
downloading ember-data, should download it to the ember-data.js file,
not ember.js
Update README.md
Update README.md
Update example code

Now `Ember.Button` is deprecated.
Merge pull request #193 from tricknotes/update-example-code

Update example code
Remove description about latest version

The version described in README.md is too hard to keep maintenance.
Merge pull request #195 from tricknotes/remove-description-about-latest-version

Remove description about latest version