JBIDE-17552 ewp 5.2 not recognized properly

JBossASHandler (thing that turns runtime definitions into actual servers) was incorrectly re-fetching the serverbean. but using a modified server home (ie, ewp-5.2.0/jboss-as-web instead of ewp-5.2.0} which was always recognized as an AS installation, not EAP. It was then unable to find version information, and did not make a server