For Ubuntu, the aide-common package is required for all of the normal
utilities and scripts to be installed that normally ship with AIDE.
This patch ensures that aide-common is installed.
This is a manual backport of I1b3a383f34fa584c6b2f9f26ae00874c5bb5ef97
since master contains some extra logic for operating systems that
aren't supported in stable branches.
Change-Id: I32580df93fce0ba6357071fb6fcd3b16f0b7dfe1