[SWITCHYARD-2093] Moved Karaf modules from core repo to release repo
SWITCHYARD-2118 XML Validator doesn't work on karaf

Use URL instead of relative path for the catalog file so it works on both of EAP and karaf
bump to 2.0.0.Alpha1
back to 2.0.0-SNAPSHOT
SWITCHYARD-2145: Security context not propagated to EJB invocations