Make ganeti_web, clusters, etc PEP-8 compliant

Muddle and muddle_users are not done yet
Make docs conf.py PEP8 compliant
Make ganeti_web, clusters, etc PEP-8 compliant

Muddle and muddle_users are not done yet
Make docs conf.py PEP8 compliant
Finish PEP8 compliance on muddle and muddle_users
Merge conflict resolution

Conflicts:
	docs/source/conf.py
	ganeti_webmgr/ganeti_web/settings/base.py
	ganeti_webmgr/ganeti_web/settings/helpers.py
	ganeti_webmgr/ganeti_web/settings/settings.py.dist
Real merge conflict

Let's use the new code rather than the old code!
pep8: Fix blank line at EOF