fix for integrity error when we have in DB Model with the same name and different type
better hd detection
clean
fix
fix
fix in puppet plugin
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
saving FC cards - fix
unused variable removed
scan - merge form - fix
scan merge form - saving disks and memory - fix
another fix...
Merge pull request #670 from andrzej-jankowski/master

bugfixes
Merge branch 'master' of github.com:allegro/ralph into f5

Conflicts:
	src/ralph/scan/facts.py