Task #5807: Ported BF pipeline fix from trunk into release branch

RTCP/Cobalt/GPUProc/share/gpu/kernels/CoherentStokes.cu

...balt/GPUProc/share/gpu/kernels/CoherentStokesTranspose.cu

RTCP/Cobalt/GPUProc/src/cuda/KernelFactory.h

RTCP/Cobalt/GPUProc/src/cuda/Kernels/BeamFormerKernel.cc

...alt/GPUProc/src/cuda/Kernels/BeamFormerTransposeKernel.cc

RTCP/Cobalt/GPUProc/src/cuda/Kernels/CoherentStokesKernel.cc

...GPUProc/src/cuda/Kernels/CoherentStokesTransposeKernel.cc

RTCP/Cobalt/GPUProc/src/cuda/Kernels/FFT_Kernel.cc

...t/GPUProc/src/cuda/SubbandProcs/BeamFormerCoherentStep.cc

...lt/GPUProc/src/cuda/SubbandProcs/BeamFormerSubbandProc.cc

RTCP/Cobalt/GPUProc/src/cuda/SubbandProcs/SubbandProc.cc

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

.../test/SubbandProcs/tBeamFormerSubbandProcProcessSb.parset

RTCP/Cobalt/VisualStudio/Cobalt.v12.suo

RTCP/Cobalt/VisualStudio/GPUProc/GPUProc.vcxproj.filters