add loc helper
Add tests for #1866 - loc helper
Polyfill history.state for non-supporting browsers
simplify history.state support check
Update router.js. Fixes #2897.
Merge pull request #2898 from machty/borf-snorlax

Update router.js. Fixes #2897.
Stringify linkTo examples
Updating new Ember.Component documentation to remove confusion
Merge pull request #2900 from bartsqueezy/master

Updating new Ember.Component documentation to remove confusion
Improve docs

More info on optional parameter and fix typo
Merge pull request #2901 from raulbrito/patch-1

Improve docs
warns when trying to get a falsy property
Merge pull request #2899 from machty/string-link-to

Stringify linkTo examples
Add a check for jQuery versions with a specific checkbox click bug.
Fire mousedown & mouseup on clicks, plus focus for text fields.
Allow value of TextField to be 0

This was broken in commit 1fba89
Merge pull request #2911 from mhelabs/fix-textfield-zero-value

Allow value of TextField to be 0
Quoteless route param in linkTo performs lookup

See: http://discuss.emberjs.com/t/upcoming-linkto-changes-ideas/1635

New behavior is wrapped in ENV.HELPER_PARAM_LOOKUPS flag,
named that way since the behavior will likely be applied to
actions as well.

The routeName param is bound. Saving bound contexts for a later PR
for now (potentially complicated).
Merge pull request #2905 from machty/string-link-to

Quoteless route param in linkTo performs lookup
Use Ember.isNone instead of Ember.none