modified:   elasticluster/providers/ansible-playbooks/roles/common/tasks/nfs-clients.yml
- On Ubuntu on Trusty Tahr or newer one uses rpcbind instead of portmap. Added
  respective branching logic using ansible_lsb.major_release.

modified:   elasticluster/providers/ansible-playbooks/roles/slurm/tasks/munge.yml
- Using a nicer test for ubuntu OS in "when:" for patching task on ubuntu 14.04.