Merge pull request #4 from dachary/master

fabfile: add python-pytest build dependency
fabfile: install libblkid-dev

Signed-off-by: Sage Weil <sage@inktank.com>
fabfile: uuid-dev is mentioned twice

uuid-dev is mentioned twice in _gitbuilder_ceph.  Fix it.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
fabfile: install libblkid-dev, take 2

Sage added a libblkid-dev dependency in commit 0c540dac9a95, but missed
deb and rpm builders.  Fix it.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Merge pull request #5 from ceph/wip-libblkid

add a libblkid-dev dependency for deb and rpm builders
fabfile: install uuid-runtime and python-argparse

Because the are needed to run vstart.sh which is used when running
unittests.

Signed-off-by: Loic Dachary <loic@dachary.org>