core: Add new OSs to engine

This patch is adding new OSs to the engine os repository:

Ubuntu 12.04 LTS
Ubuntu 12.10
Ubuntu 13.04
Ubuntu 13.10
SUSE Linux Enterprise Server 11

Change-Id: Iaec676a465c64fae96564fcd9f9aa24d132d6b96
Bug-Url: https://bugzilla.redhat.com/675061
Signed-off-by: Roy Golan <rgolan@redhat.com>