Fix broken travis exclude file matching
Fix broken travis exclude file matching

By trying to exclude changes to dot-files from triggering a travis run i
accidentally excluded all files...

This should be fixed with this PR

privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea