Add assertion for non existing transforms
make async belongsTo resolve with record
Merge pull request #1394 from Floby/fix-async-belongsTo-resolve

make async belongsTo resolve with record
Merge branch 'assertion' of https://github.com/teddyzeenny/data into teddyzeenny-assertion

Conflicts:
	packages/ember-data/lib/serializers/json_serializer.js
Add destroyRecord to delete and save at once

Also document them.

Fixes #1399.
Make it easier to override just the Ajax options

Fixes #1397
Normalize hasMany polymorphic types. Fixes #1338
Merge pull request #1400 from bradleypriest/hasMany-poly

Normalize hasMany polymorphic types. Fixes #1338
Fix polymorphic extract if no payload
Merge pull request #1401 from bradleypriest/hasMany-ix

Fix polymorphic extract if no payload
Remove old license in favor of #1388
Load embedded objects inside embedded objects.
Converted Changelog to Markdown, with small fixes.
The RestAdapter was not sending the data to the server.
Merge pull request #1407 from diogomafra/restadapter-data

The RestAdapter was not sending the data to the server.
Remove obsolete method reinstated via merge conflict 29dc7b
Merge pull request #1408 from bradleypriest/obsolete

Remove obsolete method reinstated via merge conflict 29dc7b
add failing test for async belongsTo always returning a promise
make asyncBelongsTo return a promise when setting property

return an ObjectPromise from asyncBelongsTo when setting
Fix RESTSerializer#pushPayload API docs