Renamed updated gitignore correclty

Within the commit
https://github.com/crowbar/barclamp-tempest/commit/7aba48be9889a6000bc7f3672a73011eb4b200c5
i have accidently renamed the gitignore file wrong. This commit will fix
the gitignore replacement.
Merge pull request #85 from tboerger/feature/gitignore

Renamed updated gitignore correclty