Missing dependencies for Boost added
Fix CMAKE vars and gitexternals for subproject build
Point gitexternals to JB clone of CMake/common tools
Update GitExternal
Merging with subproject
Cleanup the tests/CMakeLists.txt
Fix RH compilation issues
Fix VS2012 build
Bump CMake subtree
Fix travis
Fix Boost 1.56 build
Revert to lunchbox::sleep since boost::thread is broken in 1.56