Added Ceph 0.80.7

HA OpenStack makes use of Ceph. Although a recent enough version of Ceph is
shipped with Ubuntu 14.04 several upstream bugfixes which are important for
OpenStack have not been incorporated by Ubuntu yet, hence the custom package.

The source has been borrowed from Ubuntu 14.04:
http://archive.ubuntu.com/ubuntu/pool/main/c/ceph/ceph_0.80.7.orig.tar.bz2
http://archive.ubuntu.com/ubuntu/pool/main/c/ceph/ceph_0.80.7-0ubuntu0.14.04.1.debian.tar.xz

The additional (upstream) patches:
https://github.com/ceph/ceph/commit/fe7bf06366adaf787816d1e68f5e3f68e8c91134
https://github.com/ceph/ceph/commit/b8fa2ed60b6cce51701df972dbb6f5e02e0d84ba

Note: these sources are equivalent (modulo packaging changes) to the ones
in https://review.fuel-infra.org/packages/precise/ceph commit
fd95b0d17d15240b059a33b3a0f1a5bbba753817

Related-Bug: #1386369
Related-Bug: #1388506

Change-Id: Iaa9f190139c2bfafef195bb1fcd53b353512dde5

Added .gitreview