DS.FixtureAdapter writes changes to FIXTURES
Integration test for DS.FixtureAdapter
Rename storeFixture
FixtureSerializer correctly serializes associations
Remove unused variable
Preventing from dirtying internals while creating a record with an existing id

[Fixes #768]
Sideload data based on related types, not the names of foreign keys
Clean up test that used to require that a belongsTo relationship be set after `createRecord`
CURRENT_API_REVISION: 12
Merge pull request #776 from dgeb/sideloaded-keys

REV 12: Update serialization conventions
Fix: pass `this` into `normalizeSideloadMappings()`
Clean up FK ids in test
Merge pull request #777 from dgeb/fix-normalize-sideload-mappings

Fix normalizeSideloadMappings() in the JSON adapter
Merge pull request #728 from twinturbo/fixture-adapter-fixes

Fixture adapter commits changes
fix fixture adapter id generator

`generateIdForRecord` is called internally by ember on create
Cleaned unused variable
Merge pull request #782 from bobbus/clean-unused-var

Cleaned unused variable
Merge pull request #781 from tchak/fix-id-generator-fixture-adapter

fix fixture adapter id generator
Merge pull request #773 from tricknotes/remove-unused

Remove unused variable
Merge pull request #770 from Cyril-sf/bookkeeping

Preventing from dirtying internals while creating a record with an existing id