[ubuntu14.04: upgrade kernel fails as package 'apparmor=2.7.102-0ubuntu3.10' was not available]

Closes-Bug: #1401464

Issue:
kernel-upgrade for 14.04 doesnt require apparmour.
as a result kernel upgrade fails.

Fix:
Bsaed on lsbrelease include Apparmour.

Testing:
1)Issued single node provision for ubuntu12.04 and ubuntu 14.04

Change-Id: I9a293cea68f803b62f597259bde45ec9f630b296