Squashed 'elasticluster/providers/ansible-playbooks/' changes from a5ab13f..c1dd701

c1dd701 Fix issue with munge and `/var/log` permissions on Ubuntu 14.04
a98ca17 Fix nfs-client.yml task for Ubuntu 14.04: `portmap` service has been replaced by `rpcbind`

git-subtree-dir: elasticluster/providers/ansible-playbooks
git-subtree-split: c1dd701aaba95a613c7a83b66bd0e779886a948e
Merge conflicts in playbooks
Squashed 'elasticluster/providers/ansible-playbooks/' changes from c1dd701..b4cec78

b4cec78 Do not use '{{' when it's not needed
1f10f2b Include fix from kern3020 (https://github.com/kern3020) for issue #117: "why is an Ubuntu task run on a debian system?"
69c5c7e Simplify `when:` conditional
5c454ca Do not look for `is_ubuntu_or_debian` when you are looking for a specific ubuntu version...
219103d Add support for *extending* a gluster filesystem
99a1a23 Fix typo
981ac47 Merge branch 'ansible-1.6'
3e6758b Fix more playbooks
25157e0 Fix core-site.xml file not correctly parsed by hadoop
f8ac36a Fix gluster playbooks
c868723 More bugfix
a59fe6f Fix playbooks for slurm/precise
e541004 Update playbooks to work with Ansible 1.7.2
51d1320 Merge pull request from John Morrissey (https://github.com/jwm)
fc2c1a7 Update to use current ansible version (1.7.2)

git-subtree-dir: elasticluster/providers/ansible-playbooks
git-subtree-split: b4cec78713c52d30bae57236c3005e37c0c54fda
Merge ansible playbooks