Adding init script

extra/transcode-init.d/README.md

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+Celery Init script
+==================
+Having installed all the requirements for transcoding within WhatManager2, follow these steps to setup the init script for Ubuntu or Debian:
+
+ 1. Install screen:
+
+		sudo apt-get install screen
+
+ 2. Replace USERNAME in wm2celery with the username you wish Celery to run from.
+
+
+ 3. Copy wm2celery to /etc/init.d/
+
+ 4. Make sure it has execution rights:
+
+		sudo chmod +x /etc/init.d/wm2celery
+
+ 5. Set the init script for boot time:
+
+		sudo update-rc.d wm2celery defaults
+
+
+
+Once installed, the service will be handled the usual way:
+
+	sudo service wm2celery start | stop | restart
+
+
+You will be able to reattach to the screen session that is running Celery using screen normally.

extra/transcode-init.d/wm2celery

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+#!/bin/bash
+# /etc/init.d/wm2celery
+
+### BEGIN INIT INFO
+# Provides:   whatmanager2
+# Required-Start: $local_fs $remote_fs
+# Required-Stop:  $local_fs $remote_fs
+# Should-Start:   $network
+# Should-Stop:    $network
+# Default-Start:  2 3 4 5
+# Default-Stop:   0 1 6
+# Short-Description:   Run Celery for WhatManager2
+# Description:    Runs Celery on a detached screen session for WhatManager2.
+### END INIT INFO
+
+USER="USERNAME"
+
+case "$1" in
+
+  start)
+        echo "Starting Celery for WhatManager2"
+        sudo -H -u $USER screen -dmS WM2Celery /usr/bin/python /opt/WhatManager2/manage.py celery worker --loglevel=info --concurrency=1
+        ;;
+  stop)
+        echo "Stopping Celery for WhatManager2"
+        PID=`ps -ef | grep manage.py | grep pts | grep -v grep | awk '{print $2}'`
+        kill -9 $PID
+        ;;
+
+  restart|force-reload)
+        echo "Restarting $screen"
+        PID=`ps -ef | grep manage.py | grep pts | grep -v grep | awk '{print $2}'`
+        kill -9 $PID
+        sleep 2
+        sudo -H -u $USER screen -dmS WM2Celery /usr/bin/python /opt/WhatManager2/manage.py celery worker --loglevel=info --concurrency=1
+        ;;
+  *)
+        N=/etc/init.d/$NAME
+        echo "Usage: $N {start|stop|restart}" >&2
+        exit 1
+        ;;
+esac
+exit 0