Adding yaml-cpp as a subrepo. Modified the CMakeLists.txt file to prevent building gmock - this clashes with having googletest as a subrepo
Adding yaml-cpp as a subrepo. Modified the CMakeLists.txt file to prevent building gmock - this clashes with having googletest as a subrepo

shockwavefraz/CEM,shockwavefraz/CEM,shockwavefraz/CEM,shockwavefraz/CEM,shockwavefraz/CEM