add ganglia_new aggregator to install2001/codfw

use ganglia_new to setup aggregator as currently
running in esams on hooft but not in eqiad

add codfw as a site in the ganglia_new config on the
LVS and misc clusters

per

RT: 8188

to make ganglia work for codfw

Change-Id: Ie30076215186d4d23f781f8e738be14bc47577eb
Merge "add ganglia_new aggregator to install2001/codfw" into production