Implemented OAuth2 authorization for the Google APIs.
Merge branch 'master' of github.com:noamkfir/google-api-winrt-event-mapper-sample

Conflicts:
	src/EventMapper/EventMapper/EventMapper.csproj
Merge branch 'master' of github.com:noamkfir/google-api-winrt-event-mapper-sample

Conflicts:
	src/EventMapper/EventMapper/EventMapper.csproj