Add libusb

libusbx was a fork of libusb, a library that provides generic access to
USB devices.

As of 2014.01.26, the project has been fully merged back into libusb
and is being discontinued.
Fix lockfile.git repository

The pylockfile library has been adopted by the OpenStack Oslo program,
and development is now managed using our regular tool chain.
Merge branch 'baserock/franred/fix-lockfile-repo'

Reviewed-by: Adam Coldrick <adam.coldrick@codethink.co.uk>
Reviewed-by: Pedro Alvarez <pedro.alvarez@codethink.co.uk>
Lorry the python packages Zuul depends on
Merge branch 'baserock/pedroalvarez/zuul-lorries'

Reviewed-by:
- Sam Thursfield
- Pedro Alvarez
Lorry python-magic for turbo-hipster
Update tarball for python-daemon