Merge pull request #34 from leseb/fix-revert-autogeneration-keys

Revert 37882255d6ac5d15b7725df6a2c15a2c0c22928f (auto key generation)
Use ansible_fqdn when copying keys to OSDs
Use ansible_fqnd also in mds role
Use ansible_fqdn when copying from mons
Fix typo in group_vars/mons and remove "-C foo"
Fix ceph.conf if mons are unreachable
Merge pull request #38 from guestisp/fix-mons-yaml

Fix typo in group_vars/mons and remove "-C foo"
Merge pull request #36 from guestisp/fix-fqdn-when-copying-keys-to-osd

Use ansible_fqdn when copying keys to OSDs
Merge pull request #39 from guestisp/fix-ceph-conf-if-mons-unreachable

Fix ceph.conf if mons are unreachable
Fix ceph.conf if MDSs are not reachable
Merge pull request #40 from guestisp/fix-ceph-conf-if-mds-are-not-reachable

Fix ceph.conf if MDSs are not reachable
Add RADOS Gateway support

This is a wip branch.
This works on Ubuntu precise, Debian Wheezy and CentOS 6.4.

Signed-off-by: Sébastien Han <sebastien.han@enovance.com>