rcs: install servers with trusty

Install two servers for rcs service, with ubuntu trusty.
Ref. RT #7572

Change-Id: I14beb4a5384305b6d06ca6d1102114b01d0103e5
Signed-off-by: Giuseppe Lavagetto <glavagetto@wikimedia.org>
Merge "rcs: install servers with trusty" into production