Only setting content-type to JSON if there actually is content.
Merge branch 'master' of github.com:enyo/data
Added a test for the content-type.
Add missing property `namespace` to `DS.RESTAdapter`

It is kindness that public API is clearly specified.
Move unit test for JsonSerializer to serializers directory

The test for the RESTSerializer already is in this directory so this
change adds some consistency.
Merge pull request #886 from pangratz/move_json_serializer_test

Move unit test for JsonSerializer to serializers directory
Merge pull request #774 from tricknotes/add-missing-property

Add missing property `namespace` to `DS.RESTAdapter`
Only setting content-type to JSON if there actually is content.
Added a test for the content-type.
`DS.Adapter.resolveMapConflict` can receive two arguments
update the rest adapter test to pass the json content-type behavior
A serializer implements `extractEmbeddedData` to retrieve embedded
associations data
Better YUIDocs
Merge pull request #890 from thomasboyt/docs

Better YUIDocs
Merge pull request #887 from tricknotes/remove-not-referenced-argument

`DS.Adapter.resolveMapConflict` can receive two arguments
Eliminate unused variables

I used jshint with '"unused": true' option.
Merge pull request #888 from tricknotes/eliminate-unused

Eliminate unused variables
bump ember to rc2
Ember source now comes from the ruby gem.
ember now comes the from ember-source gem

Reduce some confusion