rename firebase database classes to use objc prefix convention#184

Merged

morganchen12 merged 2 commits intofirebase:v1.0.0from

morganchen12:refactor

Nov 3, 2016

Commits on Nov 1, 2016

rename firebase database classes to use objc prefix convention
morganchen12
committed

Commits on Nov 2, 2016

change renamed classes in other files, break swift sample
morganchen12
committed