/usr/lib/x86_64-linux-gnu/libconnectivity-cpp.so is in libconnectivity-cpp-dev 0.0.1+14.04.20140312-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libconnectivity-cpp.so.0