Prevent incompatibility issues with c++11

Set BOOST_NO_CXX11_SCOPED_ENUMS fixes it
Make symlinks instead of moving libraries around

The updater has problems with moving files, as it things that the
dissapear file is missing and needs to be updated. Instead we keep
libQt* libs as lib/libQt*.non-ubuntu and make symlinks to them in case
of needed by the platform.
Add some logging on updates
Merge remote-tracking branch 'refs/remotes/meskio/bug/6104_select_libqt' into develop
Merge remote-tracking branch 'refs/remotes/meskio/feature/6122_add_verbosity' into develop