reworked namespaces
first starting rpcEngine implementation
Merge remote-tracking branch 'MartinHaimberger/Devel' into session-manager
fixed length bug in header, changed pbRPC
Merge remote-tracking branch 'bunny/session-manager' into Devel
shutdown of rpcEngine now works in all cases
Merge remote-tracking branch 'MartinHaimberger/Devel' into session-manager