update POTFILES.in with removed files and added files

po/POTFILES.in

@@ -5,7 +5,7 @@
 gajim.desktop.in
 src/advanced.py
 src/cell_renderer_image.py
-src/chat.py
+src/chat_control.py
 src/config.py
 src/conversation_textview.py
 src/dbus_support.py
@@ -15,25 +15,25 @@ src/filetransfers_window.py
 src/gajim-remote.py
 src/gajim.py
 src/gajim_themes_window.py
-src/groupchat_window.py
+src/groupchat_control.py
 src/gtkexcepthook.py
 src/gtkgui.glade.h
 src/gtkgui_helpers.py
 src/history_window.py
+src/message_control.py
 src/message_textview.py
+src/message_window.py
 src/notify.py
 src/remote_control.py
 src/roster_window.py
 src/systray.py
 src/systraywin32.py
-src/tabbed_chat_window.py
 src/tooltips.py
 src/vcard.py
 src/common/check_paths.py
 src/common/exceptions.py
 src/common/GnuPG.py
 src/common/GnuPGInterface.py
-src/common/__init__.py
 src/common/config.py
 src/common/connection.py
 src/common/gajim.py