Fix Ansible architecture tasks
Merge pull request #85 from kchristensen/fix-architecture-tests

Fix Ansible architecture tasks
Update README.md

Two lines are cut in the README. This patch fix this using http://www.sebastien-han.fr/blog/2014/03/03/Announcing-ceph-ansible-playbooks/.
Merge pull request #86 from maethor/patch-1

Update README.md
Moved variables into "defaults" directory of each role, and commented the ones in group_vars.
Added dummy variable because ansible is not happy when there is no variable in group_vars files.
Merge branch 'master' of github.com:Sysnove/ceph-ansible