Changes the swing UI author to me, changes version

Change-Id: I6d1df95ffad12d9260165be667036b3e54b20fd4
Reviewed-on: http://gerrit.dmdirc.com/349
Reviewed-by: Chris Smith <chris@dmdirc.com>
Tested-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/addons/ui_swing/plugin.config

   defaults
 
 metadata:
-  author=Chris <chris@dmdirc.com>
+  author=Greg <greg@dmdirc.com>
   mainclass=com.dmdirc.addons.ui_swing.SwingController
   description=The standard DMDirc user interface
   name=ui_swing
   id=42
 
 version:
-  friendly=0.7
+  friendly=0.6.4
 
 provides:
   swing ui