History, Reply to messages and RAI

Contains

• History loading various fixes
• Reply button on messages (mucs and chats)
• Replaced the original RAI implementation with the converse one

Closes #262 (closed)

src/plugins/sib-history-improved.js

@@ -70,7 +70,7 @@ converse.plugins.add('sib-history-improved', {
 
       log.debug(`Chatbox needs more messages, count: ${counter}`);
 
-      const is_groupchat = data.chatbox.get('type') === converse.CHATROOMS_TYPE;
+      const is_groupchat = data.chatbox.get('type') === _converse.CHATROOMS_TYPE;
       const oldest_message = messages[0] || null;
 
       if (oldest_message) {