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/install/pypo-uninstall.py

@@ -15,15 +15,6 @@ PATH_INI_FILE = '/etc/airtime/pypo.cfg'
 def remove_path(path):
     os.system("rm -rf " + path)
 
-def remove_user(username):
-    os.system("killall -u %s 1>/dev/null 2>&1" % username)
-    
-    #allow all process to be completely closed before we attempt to delete user
-    print "Waiting for processes to close..."
-    time.sleep(5)
-    
-    os.system("deluser --remove-home " + username + " 1>/dev/null 2>&1")
-
 def get_current_script_dir():
   current_script_dir = os.path.realpath(__file__)
   index = current_script_dir.rindex('/')
@@ -35,9 +26,10 @@ try:
         config = ConfigObj(PATH_INI_FILE)
     except Exception, e:
         print 'Error loading config file: ', e
-        sys.exit()
+        sys.exit(1)
         
     os.system("/etc/init.d/airtime-playout stop")
+    os.system("rm -f /etc/init.d/airtime-playout")
         
     print "Removing cache directories"
     remove_path(config["cache_base_dir"])
@@ -48,7 +40,6 @@ try:
     print "Removing pypo files"
     remove_path(config["bin_dir"])
     
-    remove_user("pypo")
     print "Pypo uninstall complete."
 except Exception, e:
     print "exception:" + str(e)