allow multi-device installs
- Added support for RHEL6.5 and derivatives
- Renamed OEL-6 to OL-6 - it's "Oracle Linux" since several years (old name is still supported) - Added OL-5
Add support for Ubuntu 14.04

Signed-off-by: Chris Lalancette <clalancette@irobot.com>
Added Windows 8.1 support
Add support for CentOS-7.0
Add Ubuntu ssh host key type ed25519 cleanup