Fix odd intellij refactoring.

parser_xmpp/plugin.config

 
 metadata:
   author=Chris <chris@dmdirc.com>
-  mainclass=XmppPlugin
+  mainclass=com.dmdirc.addons.parser_xmpp.XmppPlugin
   description=Provides XMPP access for DMDirc.
   name=xmpp
   nicename=XMPP Plugin
 
 
 exports:
-  getParser in XmppPlugin as getParser
-  getDescription in XmppPlugin as getProtocolDescription
+  getParser in com.dmdirc.addons.parser_xmpp.XmppPlugin as getParser
+  getDescription in com.dmdirc.addons.parser_xmpp.XmppPlugin as getProtocolDescription