Calling transaction.rallback on database errors
Allowing qm version up to 1.7
Not doing anything with deactivated hosts
Fixed initial topology naming
Using openvz name as hostname
Fixed imports
Avoiding invalid hostnames with underscores
Added menu entry for topology creation
Fixed formatting issue
Removed loop api call
Fixed display of organization drop-down
Fixed issue with link measurements
Merge pull request #590 from dswd/fixes

Fixes