Fixture id of zero should not be raise an undefined id property error.
Remove empty line.
Raise error for invalid fixture id types.
Update test to expect updated error message.
added in progress warning
Remove BasicAdapter

So long, old friend. For more, see:
http://emberjs.com/blog/2013/05/03/ember-data-progress-update.html
Merge pull request #960 from kagemusha/in-progress-warning

added in progress warning
use ember-dev for uploading passing builds to s3

moves logic out of the Rakefile and reuses code in ember-dev.
remove a trailing , at the last method in the serializer
Merge pull request #961 from christoph-frick/master

fixed a syntax error (at least for some browsers)
Setup data without triggering materialization.
add unit test
cleanup RecordArray load method
Ensure that '_reference' key is used to store the reference
Added sensible defaults for keyForPolymorphicId and keyForPolymorphicType
Merge pull request #965 from ssured/master

Add sensible defaults for polymorphic keys
Merge pull request #964 from sandstrom/model-reference

Ensure that '_reference' key is used to store the reference
per type commit

group by adapter for type and then commit
Merge pull request #963 from tchak/per-type-commit-for-realz

per type commit
Merge pull request #945 from tchak/cleanup-record-array-load

cleanup RecordArray load method