I.1.0.0: Upgrade support

Upgrade from H.1.3.0 to I.1.0.0 support with Ansible.
I.1.0.0: Reboot Ubuntu nodes after eDeploy upgrade

Since we upgrade from Ubuntu 12.04 to 14.04, it requires a complete
reboot, since we have a new kernel.
Merge pull request #53 from enovance/I.1.0.0

WIP - I.1.0.0: Upgrade support