Add maintainers

R=Shawn.P.Huang@gmail.com

Review URL: https://codereview.appspot.com/249800043

AUTHORS

@@ -1,6 +1,10 @@
 
 Peng Huang <shawn.p.huang@gmail.com>
 
+Maintainers:
+-----------
+Takao Fujiwara <takao.fujiwara1@gmail.com>
+
 Translators:
 -----------
 ar.po:

ui/gtk3/panel.vala

@@ -1078,6 +1078,7 @@ class Panel : IBus.PanelService {
 
             string copyright =
                 "Copyright © 2007-2015 Peng Huang\n" +
+                "Copyright © 2015 Takao Fujiwara\n" +
                 "Copyright © 2007-2015 Red Hat, Inc.\n";
 
             m_about_dialog.set_copyright(copyright);