Add defeatureify to Travis config.
Documents `{{link-to "route" someId}}` behavior
Update link_to.js

add description for `disabled` and `disabledWhen` properties for `link-to` handlebar helper.
Update Ember.TextArea and Ember.TextField documentation

text_area.js:
 * update @extends documentation from `Ember.View``` to `Ember.Component`
 * reference `handlebars.helpers.textarea`

text_field.js:
 * update @extends documentation from `Ember.View` to `Ember.Component`
 * reference `handlebars.helpers.input``

controls.js
 * add note for Ember.TextArea and Ember.TextField extending from Ember.Component
 * add references to Ember.Component; warning about not inheriting parent view controller
Create Ember.libraries for keeping track of versions for debugging. emberjs/data#1051
Merge pull request #3322 from rjackson/require_defeatureify

Add defeatureify to Travis config.
Use EmberDefeatureify
Merge pull request #3324 from thomasboyt/defeatureify

Defeatureify
Merge pull request #3345 from gunn/ember-libraries

Create Ember.libraries for keeping track of versions for debugging.
Update docs for App.register
Remove the .VERSION from library version logging.
Merge pull request #3347 from jedhunsaker/app-register-docs

Update docs for App.register
Merge pull request #3348 from gunn/ember-libraries

Remove the .VERSION from library version logging.
Update ember-dev.
Merge pull request #3349 from rjackson/update_ember-dev

Update ember-dev.
Removes long-deprecated getPath/setPath
Update ember-dev to fix broken builds
Merge pull request #3341 from sherwinyu/update-textarea-textfield-documentation

Update textarea textfield documentation
Fix some YUIDoc parsing
`Ember.TargetActionSupport`'s `sendAction` should support `null` as context.