GaleraHA support - R/W Splitting with Galera

GaleraHA support - R/W Splitting with Galera
Merge branch 'master' into feature-MAX-58
Updated description

Updated description
Added SESSION_STATE_ROUTER_READY to server/core/session.c:session_state so that state will be printed correctly as well instead of "Invalid state".
Merge branch 'master' into feature-MAX-58
dprintAllServers and dprintServer updated

dprintAllServers and dprintServer updated