plugin XEP-0085: Chat State Notifications

- new "options" parameter to send chat states
    - plugin command export: messages without body are now delivered (since all the chat states other than "active" need them)

src/bridge/bridge_constructor/bridge_template.ini

@@ -344,17 +344,19 @@ doc_return=List of confirmation request data, same as for [askConfirmation]
 [sendMessage]
 type=method
 category=core
-sig_in=sssss
+sig_in=ssssa{ss}s
 sig_out=
 param_2_default=''
 param_3_default="auto"
-param_4_default="@DEFAULT@"
+param_4_default={}
+param_5_default="@NONE@"
 doc=Send a message
 doc_param_0=to_jid: JID of the recipient
 doc_param_1=message: body of the message
 doc_param_2=subject: Subject of the message ('' if no subject)
 doc_param_3=mess_type: Type of the message (cf RFC 3921 #2.1.1) or "auto" for automatic type detection
-doc_param_4=%(doc_profile_key)s
+doc_param_4=options: optional data that can be used by a plugin to build more specific messages 
+doc_param_5=%(doc_profile_key)s
 
 [setPresence]
 type=method