devenv: adding opennebula celery upstart script

miscellaneous/devenv/celeryone.conf

+description	"IK Cloud Django Development Server"
+
+start on runlevel [2345]
+stop on runlevel [!2345]
+
+respawn
+respawn limit 30 30
+setuid cloud
+chdir /opt/webadmin/cloud/miscellaneous/celery
+env DJANGO_SETTINGS_MODULE=cloud.settings.dev                               
+env DJANGO_DB_PASSWORD=asjklddfjklqjf                                       
+env DJANGO_SECRET_KEY=asjklddfjklqjfasjklddfjklqjfasjklddfjklqjf
+env DJANGO_SETTINGS_MODULE="" 
+exec celery -A opennebula_celery worker --loglevel=info -c 1 -Q opennebula