Create Test Adapter to keep ember-testing framework agnostic
Merge pull request #2626 from teddyzeenny/ember-testing-agnostic

Keep ember-testing framework agnostic
Update Backburner.js
Treat {{#each}} as {{#each this}}

Now the following is supported:

    {{#each}}Hello, {{name}}{{/each}}

This should alleviate the silliness that all of the following are
(often) the same:

    {{#each this}}...{{/each}}
    {{#each controller}}...{{/each}}
    {{#each content}}...{{/each}}
Merge pull request #2709 from machty/single-arg-each

Treat {{#each}} as {{#each this}}
Deprecate Ember.metaPath

Private and no longer used in Ember, barely used in `ember-data`.
mask deprecation warnings (when knowingly triggering them)
Merge pull request #2710 from machty/deprecate-meta-path

Deprecate Ember.metaPath
Bring back Ember.run.currentRunLoop and Ember.run.queues
Mask deprecation warning in metaPath testing
Merge pull request #2716 from teddyzeenny/meta-deprecation

Mask deprecation warning in metaPath testing
Merge pull request #2715 from teddyzeenny/current-loop

Bring back Ember.run.currentRunLoop and Ember.run.queues