Fix one modman linking specification

Squashed commit of the following:

commit 701a43cafbcc27a3e15ebb5e294c593cc3bd9903
Author: Vinai Kopp <vinai@netzarbeiter.com>
Date:   Wed May 22 18:53:22 2013 +0200

    Fix modman ...tests/app/code... -> ...tests/unit/app/code...

commit 93e91b0a74eb69eb5d842d458cf6d432f4affba8
Author: Vinai Kopp <vinai@netzarbeiter.com>
Date:   Wed May 22 18:52:54 2013 +0200

    Fix casing in phpdoc
Merge pull request #3 from vinai-drive-by-commits/fix-modman

Fix one modman linking specification