Clean up some files

* An empty Battery.py was left (but not distributed)
* The 48x48 blueman-tray.png basically never got distributed

Author: cschramm

blueman/plugins/applet/Battery.py

@@ -7,6 +7,7 @@ iconsdir = $(themedir)/$(size)/$(context)
 icons_DATA =			\
         blueman-active.png    \
         blueman-disabled.png  \
+        blueman-tray.png      \
         blueman.png
 
 EXTRA_DIST = $(icons_DATA)