[DEPRECATION] #14754 deprecate `canDispatchToEventManager`#15078

Merged

rwjblue merged 2 commits intoemberjs:masterfrom habdelra:14754-deprecate-canDispatchToEventManager

Apr 3, 2017

Commits on Mar 28, 2017

Fixes emberjs#14754 deprecate canDispatchToEventMAnager
Hassan Abdel-Rahman
committed
Updating PR emberjs#15078 with rwjblue feedback
Hassan Abdel-Rahman
committed