Don't call back peer_access_set when setting a RawAccess bean
Use Jabsorb format for all transmissions

This is the only way to be compatible with the Java implementation
Target: Avoid NullPointerException in Target(Peer)
Added missing Import-Packages
Correction of a small problem with the Herald Core ServiceController

If only one service controller is defined, both specifications are
cotnrolled.
There must be one service controller for the service to be controlled,
and another one set to true for other specifications...