1. Naming conversion
2. Global variables
3. Add more OpenCL error flag
Merge commit '4ed9470e959e1f158a65abb300251a1d65868cca'

Conflicts:
	libopenacc/include/OpenACC/utils/profiling.h
	libopenacc/lib/utils/profiling.c
Added (optionnal) Runs DB in the profiler.
Added comment in utils/profiling.h