/usr/lib/x86_64-linux-gnu/libunity-control-center.so is in libunity-control-center-dev 14.04.3+14.04.20140410-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libunity-control-center.so.1.0.0