First batch of changes for hostmanager resource restructuring
Fix for openvz
Detecting missing torrent files
Removing all resources when removing a host from a backend
Updated documentation
Removed admin check
Added related_name hints
Merged in upstream
Fixed unstoppable elements
Merge pull request #252 from dswd/fix-unstoppable-elements

Fixed unstoppable elements
Merge pull request #244 from dswd/hostmanager_resources

Hostmanager resources