CP-5822: Make rpm build correctly

Newer rpm version are more strict and require all files came from sources.

Signed-off-by: Frediano Ziglio <frediano.ziglio@citrix.com>
CP-5822: Update some packages

Install updated packages in dom0.
Use updated version for CentOS 6.4.

Signed-off-by: Frediano Ziglio <frediano.ziglio@citrix.com>