Minor typo
Remove `window` references in favor of `Ember.lookup`.
Merge pull request #1800 from rjackson/do-not-rely-on-window

Remove `window` references in favor of `Ember.lookup`.
[doc] camelize `all` example for consistency
Merge pull request #1783 from mfeckie/patch-1

Minor typo
Fix a typo, accept -> except
Merge pull request #1802 from bmac/fix-typo-in-store-docs

Fix a typo, accept -> except
Remove reliance on global DS

Most changes favor using imports, only using Ember.lookup.DS to avoid
circular references. This is related to emberjs/data/#1800.
Remove internal reliance on Ember.lookup.DS in favor of requireModule().
Store#pushPayload should use the type's serializer for normalizing
Merge pull request #1809 from bmac/pushPayload-use-type-serializer

Store#pushPayload should use the type's serializer for normalizing
Merge pull request #1811 from Kerrick/remove-reliance-on-global-ds

Remove reliance on global DS