[PAXWEB-675] - No LoginService found with Karaf 3.0

Conflicts:
	pax-web-jetty/src/main/java/org/ops4j/pax/web/service/jetty/internal/Activator.java
	pax-web-jetty/src/main/java/org/ops4j/pax/web/service/jetty/internal/JettyServerImpl.java