removed private unused properties in ManyArray
Merge pull request #2275 from sly7-7/remove-unused-field

removed private unused properties in ManyArray
Add a test for an async belongsTo with buildURL
preload the belongsTo to be available synchronously
Update jsfiddle/jsbin to latest ember-data in CONTRIBUTING.md
[DOCS] Cleanup "USING EMBEDDED RECORDS" API readability
Remove extra space in code example
Merge pull request #2283 from knownasilya/patch-1

[DOCS] Cleanup "USING EMBEDDED RECORDS" API readability
Serialize belongsTo where id===null as null
Merge pull request #2287 from emberjs/nullSerialize

Serialize belongsTo where id===null as null
Improve comments for the inverseFor method
Added implicit relationships

We now correctly remove a record from a manyArray when it is deleted
even if the record does not have a belongsTo relationship to the manyArray
Merge pull request #2274 from emberjs/removeFromManyArrays

Added implicit relationships
[DOC fix] Remove misleading {inverse: null}
Merge pull request #2295 from sly7-7/patch-1

[DOC fix] Remove misleading {inverse: null}
Added a reload to the ManyArray

It works both with links and with URLs
Add a test for reload on sync hasMany relationships
Add a test for calling reload directly on the promiseProxy
HasMany relationships now reload correctly
Merge pull request #2297 from emberjs/reloadHasManyAttempt2

Reload hasMany relationships