Merge branch 'pub_sub_plugins' into 'master'

README-cmake.txt

src/pub_sub_stream/CMakeLists.txt

src/pub_sub_stream/arena.hh

src/pub_sub_stream/cds_pub_sub.cc

src/pub_sub_stream/plugins/CMakeLists.txt

src/pub_sub_stream/plugins/pub_plugin_daq_m.cc

src/pub_sub_stream/plugins/pub_plugin_daq_m.hh

src/pub_sub_stream/plugins/sub_plugin_daq_m.cc

src/pub_sub_stream/plugins/sub_plugin_daq_m.hh

src/pub_sub_stream/plugins/sub_plugin_rmipc.cc

src/pub_sub_stream/plugins/sub_plugin_rmipc.hh

src/pub_sub_stream/test_pub_sub.sh.in

src/pub_sub_stream/test_pub_sub_daqm_to_daqm.sh.in

src/pub_sub_stream/test_pub_sub_rmipc_to_daqm.sh.in