[BS] Real time chat - Real time chat for XenForo 2 1.2.1

[LIST]
[*]All changes happen in real time (new post, delete, edit, etc.)
[*]Edit private/all messages
[*]Delete private messages/all messages
[*]Call delete (command / delete)
[*]Command processing
[*]Dialog notifications
[*]Voice notifications in conversations
[*]Messaging dialogue ad
[*]Username is entering a message
[*]Enter the username by clicking on it
[*]Entering and processing BBCode
[*]Specify via the /to command
[*]Private...[/LIST]