some video retated fixes

pb/messages.proto

@@ -33,7 +33,6 @@ message Invitation {
     string from=9; // used in step 3 the answer public key to check the signature in user message
 }
 
-
 // structure for requesting incoming messages
 message ConversationRequest {  
     string lookup_key = 1; // lookup key for a conversation
@@ -91,6 +90,8 @@ message FromServerMessage {
     repeated PackedUserMessage device_messages = 9; // messages from other devices belonging to the same user
 
     VideoData video_data = 10; // video call data
+
+    repeated ContactCard contactCard = 11;  // contact list for a personae
 }
 
 message MatriochkaServer {