added authentication handler
replaced arraylist with generic list
added usermanager for access to userdatabase
added authenticationhandler and certificateauthority classes
Merge branch 'master' of ssh://git@github.com/tubav/fiteagle.git

Conflicts:
	core/src/main/java/org/fiteagle/core/userdatabase/Person.java
	delivery/xmlrpc/pom.xml
Merge branch 'master' of ssh://github.com/tubav/fiteagle
added jaas realm to pom.xml