Update man page version

Sets the version to version for Havana (2013.2) and sets the
date to the Havana release date (Oct 17 -
https://wiki.openstack.org/wiki/Havana_Release_Schedule ).

Change-Id: I4a6e88c61587b36f9d214e3f315f5588b20b6650
Merge "Update man page version"