Adding tests and command for systemofferings, and ability to create and delete diskofferings. Adding code that will determine if it is enough with updating system- disk- and compute offerings, or if deletion and creation is needed.
Bump version because of last two pushes, that were just merged.
Fix not working updates from latest commits
Merge branch 'katrinnilsson-version-bump'
Conflict fix
Merge pull request #9 from katrinnilsson/version-bump

Version bump