* adding verification when trying to remove a group with remove contact button and vice-versa
* adding verification when trying to remove a group with remove contact button and vice-versa

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