Add initial cmakelists structure plus locate external deps in third_party directory. This maintains the code base in known state, but will require manual updates of third_party code when appropriate.
start tests
remove gtest svn
remove sub-module index links
add ate-apairing and xbayac packages
ycm helper
Added gtest tests and samples, if chosen to be built from cmake gui
update for libc++
Further cmake options