more tests of gitmech (ls functions)
updated versions of prerequisites & changed reporting in build to much less verbose 'dots'
Revert "updated versions of prerequisites & changed reporting in build to much less verbose 'dots'"

This reverts commit be69486cc135565984cb7493aec17822a93b4b8c.
need to define a fake wiki-path for the tests
it helps if the fake path is at least initialized with a git repo
Merge pull request #687 from leider/master

more tests in client