Use constant for global guid prefix
Fix documentation for cancel method of Ember.TextSupport
Unnecessary check in replace logic

pointless check in if statement, we've already ascertained
that either there is no object, or that the length is 0 anyway.
Merge pull request #3505 from kingpin2k/removeExtraRemoveLogic

Unnecessary check in replace logic
[BUGFIX release] `Ember.keys` should return own property

In IE8, `Ember.keys` couldn't return property that named the same as
own prototype property.
[BUGFIX release] Fix to return `undefined` for `href` of {{link-to}}

The old IE renders `false` to `href="false"` against my expectation.
[BUGFIX release] `Ember.Object.extend` should allow any prorerty
Merge pull request #3507 from tricknotes/fix-link-to-helper-for-old-ie

[BUGFIX release] Fix to return `undefined` for `href` of {{link-to}}
Update documentation for "customEvents"

The "loadedmetadata" event is no longer considered a bubbling event, and subsequently it will never be triggered.
[BUGFIX beta] Don't use incompatible array methods

The old IE doesn't have some `Array` methods.
Merge pull request #3511 from kanongil/patch-1

Update documentation for "customEvents"
Merge pull request #3508 from tricknotes/fix-object-extend-for-old-ie

[BUGFIX release] Fix Ember.Object.extend for old IE
Merge pull request #3506 from tricknotes/fix-for-old-ie

[BUGFIX beta] Don't use incompatible array methods
Merge pull request #3504 from lackac/patch-1

Fix documentation for cancel method of Ember.TextSupport
[BUGFIX beta] link-to, bound helper issues with arrays of primitives

/cc @kselden

Fixes #3342. Fixes #3429.
Merge pull request #3513 from machty/bound-primitives

[BUGFIX beta] link-to, bound helper issues with arrays of primitives
Refactor `Ember.Application.initializer`.

Previously, `Ember.Application.initializers` was implemented as a
concatenated property, which is works at class definition and instance
creation time, but not when the field is mutated, which is what
`Ember.Application.initializer` was doing prior to this commit.

Also reverted concatenatedProperties change, which had been added to try
unsuccessfully to address this issue.
Fix incorrect method name in code comment

```
insertNewLine
insertNewline
         ^
```
Fix incorrect var usage in replaceWith
Remove Route#redirect soft deprecation