Make distro kernels work on Trusty.

Some grub changes and package names caused them to fail on trusty.

Signed-off-by: Sandon Van Ness <sandon@inktank.com>
Merge pull request #223 from ceph/wip-trusty

Make distro kernels work on Trusty.
Merge branch 'master' of github.com:ceph/teuthology
Merge branch 'master' of github.com:ceph/teuthology
Merge branch 'master' of github.com:ceph/teuthology
Merge branch 'master' of github.com:ceph/teuthology
Merge branch 'master' of github.com:ceph/teuthology
Merge branch 'master' of github.com:ceph/teuthology