Add overrides for interface types and add CustomEvent types for testing.#319

Merged

mhegazy merged 4 commits intomicrosoft:masterfrom

Nov 7, 2017

Commits on Nov 4, 2017

Add overrides for interface types and add CustomEvent types for testing.
jthoms1
committed

Commits on Nov 6, 2017

Removed kind typedinterface and changed parameters to typeparameters.
jthoms1
committed
Added type to CustomEvent constructor and ensured Custom Event initCustomEvent was correct.
jthoms1
committed

Commits on Nov 7, 2017

Ensure detail is optional for CustomEventInit.
jthoms1
committed