revert
Merge branch '81846980-yap-viewmodel-extension' of github.com:ZackMcBride/YapDatabase into 81846980-yap-viewmodel-extension

Conflicts:
	YapDatabase/Extensions/Views/YapDatabaseViewConnection.m
	YapDatabase/Extensions/Views/YapDatabaseViewOptions.m
	YapDatabase/Extensions/Views/YapDatabaseViewTransaction.m