mailman: Support 12.04

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
apache2: Add cgid

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
gitolite: Initial bundle

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
bcfg2: Add packages and service

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>