cc-2055: switch to init.d

-allow install script to be created from any location (no hardcoded paths)
-make python install scripts return 1 on error
-daemon now started automatically on boot using rc.local autostart
-change all prints to logs instead
-create airtime-uninstall shell script (and remove pypo user in here)
-create pypo user in shell script

python_apps/pypo/util/cue_file.py

@@ -61,12 +61,10 @@ class CueFile():
 
             command = 'mp3cut -o %s -t %s-%s %s' % (dst + '.tmp.mp3', str_cue_in, str_cue_out, src);
             logger.info("command: %s", command)
-            print command
             os.system(command + ' > /dev/null 2>&1')
 
             command = 'lame -b 128 %s %s' % (dst + '.tmp.mp3', dst);
             logger.info("command: %s", command)
-            print command
             os.system(command + ' > /dev/null 2>&1')
         elif src.lower().endswith('.ogg'):
             audio = OggVorbis(src)