merge in next_gen branch

toxygen/groups/group_invite.py

@@ -0,0 +1,23 @@
+
+
+class GroupInvite:
+
+    def __init__(self, friend_public_key, chat_name, invite_data):
+        self._friend_public_key = friend_public_key
+        self._chat_name = chat_name
+        self._invite_data = invite_data[:]
+
+    def get_friend_public_key(self):
+        return self._friend_public_key
+
+    friend_public_key = property(get_friend_public_key)
+
+    def get_chat_name(self):
+        return self._chat_name
+
+    chat_name = property(get_chat_name)
+
+    def get_invite_data(self):
+        return self._invite_data[:]
+
+    invite_data = property(get_invite_data)