sync apache:incl.rsync server & network constants

a host that has this role also needs an rsync
server and the network constants. will already
work on tin without it because it gets that from
other roles, but it's better this way and multiple
includes should not hurt

RT #6145

Change-Id: Ib0c74b6cfbc98fb311fad32d97223e2d07b4f80e