Second pass at gl query object, from @ryanbartley initial work.
Added test samplye for query objects.
Missed renaming in implementation file.
Added query object to vc2013.
Updated test sample for windows.
Fixed wrong Query.cpp path.
Switch mSwapIndex to size_t.
Disabled in iOS, available only OpenGL ES 3.
Added custom gl::QueryException.
Merging @num3ric's gl::Query work