remove some more trails of Celery from the docs

Still left to do is the FAQ and startup scripts
Merge pull request #672 from deejay1/doc_fixes

remove some more trails of Celery from the docs
Merge pull request #670 from andrzej-jankowski/master

bugfixes
ip address in load balancer addresses view
Merge pull request #673 from inc0/f5-2

ip address in load balancer addresses view
Merge pull request #674 from andrzej-jankowski/master

scan merge form - some display improvement