TMSS-278: merged master into feature branch

.gitlab-ci.yml

Docker/CMakeLists.txt

Docker/lofar-ci/Dockerfile_ci_scu

Docker/lofar-pulp/Dockerfile

Docker/lofar-pulp/bashrc

Docker/pulp-base/Dockerfile

Docker/pulp-base/bashrc

Docker/pulp-base/chuser.sh

Docker/pulp-base/dir_colors

Docker/pulp-base/psr.bashrc

LCS/PyCommon/json_utils.py

LCS/PyCommon/test/t_json_utils.py

LCS/PyCommon/test/t_util.py

LCS/PyCommon/util.py

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

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

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

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

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

RTCP/Cobalt/GPUProc/src/Kernels/BeamFormerKernel.h