Task #4433: move test cases and gpu sources into opencl/ or cuda/

.gitattributes

RTCP/Cobalt/GPUProc/src/CMakeLists.txt

RTCP/Cobalt/GPUProc/src/cuda/CMakeLists.txt

RTCP/Cobalt/GPUProc/src/cuda/DelayAndBandPass.cu

RTCP/Cobalt/GPUProc/src/cuda/FIR_Filter.cu

RTCP/Cobalt/GPUProc/src/opencl/CMakeLists.txt

RTCP/Cobalt/GPUProc/src/opencl/Kernels/CMakeLists.txt

RTCP/Cobalt/GPUProc/test/CMakeLists.txt

RTCP/Cobalt/GPUProc/test/UnitTests/BeamFormerTest.cc

RTCP/Cobalt/GPUProc/test/UnitTests/new_style_unittest.cc

RTCP/Cobalt/GPUProc/test/cuda/CMakeLists.txt

RTCP/Cobalt/GPUProc/test/cuda/tDelayCompensation.cc

RTCP/Cobalt/GPUProc/test/opencl/CMakeLists.txt

RTCP/Cobalt/GPUProc/test/opencl/RTCP_UnitTest.cc

...balt/GPUProc/test/opencl/RTCP_UnitTest.parset.77_Stations

.../Cobalt/GPUProc/test/opencl/RTCP_UnitTest.parset.AARTFAAC

...obalt/GPUProc/test/opencl/RTCP_UnitTest.parset.small-test

RTCP/Cobalt/GPUProc/test/opencl/RTCP_UnitTest.run

RTCP/Cobalt/GPUProc/test/opencl/RTCP_UnitTest.sh

RTCP/Cobalt/GPUProc/test/opencl/UnitTest.cc