remove test-data alias - no tests should use it

It's very unreliable (see issue 4568)
Merge pull request #69 from os-autoinst/coolo_4658_2

remove test-data alias - no tests should use it
Merge pull request #74 from lnussel/master

debug output for Net::OpenID::Consumer
Documenting the problem I had with DNS
Merge pull request #75 from Bischoff/master

Documenting the problem I had with DNS
fix hardcoding of test case dir