add convenients methods to enable/disable controls according to permissions
add convenients methods to enable/disable controls according to permissions

CyrilPeponnet/Archipel,fr34k8/Archipel,ArchipelProject/Archipel,rmoorman/Archipel,ruthger/Archipel,fr34k8/Archipel,ruthger/Archipel,ruthger/Archipel,rmoorman/Archipel,fr34k8/Archipel,CyrilPeponnet/Archipel,rmoorman/Archipel,fr34k8/Archipel,ArchipelProject/Archipel,ArchipelProject/Archipel,rmoorman/Archipel,ArchipelProject/Archipel,CyrilPeponnet/Archipel,ArchipelProject/Archipel,CyrilPeponnet/Archipel,CyrilPeponnet/Archipel,rmoorman/Archipel,ruthger/Archipel,ruthger/Archipel,fr34k8/Archipel