Replace Ember.Enumerable to MutableArray (#2287)
Replace Ember.Enumerable to MutableArray (#2287)

* Replace Ember.Enumerable to MutableArray

All occurrences updated to the MutableArray page link

* 3.0 to release, added back tick for links

3.0 to release, added backtick for links

tleskin/guides,tleskin/guides,tleskin/guides