Title: #254: Replace LooseVersion with parse_ipa_version()
I reworked my PR to use ```tasks.parse_ipa_version()``` for all version number
checks. Of course I ran into the import cycle of death. I broke the cycle with
a local import. It's not perfect but a completely fine solution. The function
isn't called regularly.
See the full comment at
Manage your subscription for the Freeipa-devel mailing list:
Contribute to FreeIPA: http://www.freeipa.org/page/Contribute/Code