Fix server public key assignment and rename Wipe() to WipeFolder()

client/helpers/invitationCheckHelper.go

@@ -82,6 +82,9 @@ func InvitationGetMessage(invitationUrl string, serverPublicKey string, invitati
 			return nil, "InvitationGetMessage: StoreServer", err
 		}
 	} else {
+		if dbsrv.PublicKey != serverPublicKey {
+			dbsrv.PublicKey = serverPublicKey
+		}
 		srv = *dbsrv
 	}
 	// buildserver message