Use isNone to check tag name
RSVP2
Add tests to deferred mixin
Merge pull request #2 from teddyzeenny/rsvp2-tests

Tests for deferred mixin
readme paragraph width (for readability)
RSVP is now promise/a+ 1.1 compliant
Merge pull request #2560 from gilesbowkett/paragraph_width

readme paragraph width (for readability)
Merge pull request #2450 from tricknotes/use-isNone

Use isNone to check tag name
Merge pull request #2491 from stefanpenner/rsvp2

RSVP2 support
FailureRoute's 'enter' handler never invoked

The failure route's `enter` is never called, so any `activation` hook
will not run. Simple fix.
remove defaultContainer
Merge pull request #2561 from ef4/failure-route-activation

FailureRoute's 'enter' handler never invoked
prevent exception on empty Em.Select content
Prevent another exception on empty Ember.Select.content
Improving Ember.Select's null-content regresion test
Support for redirection from ApplicationRoute
Merge pull request #2564 from ef4/safer-select

Prevent exceptions in Ember.Select when content is undefined
Revert "Use isNone to check tag name"

This reverts commit 6c446205090966f6838cdd1576e677aadf64411f.

I was to hasty in merging this, we should likely be ultra careful about
extra functions invocations in coreView especially since not all the js
runtimes will these simple functions.
Merge pull request #2562 from stefanpenner/remove_default_container

remove defaultContainer
Use defer instead of promise