[PATCH v6 1/3] test: add tests wrt ignoring user-specified files and directories

[Tomi Ollila]

Those interested in this patch set please check lates changes.
The test patch (1/3) has been slighty modified from Pieter's
version and NEWS patch (3/3) is new. The actual functionality
in patch 2/3 is exactly the same as in previous version.

This applies cleanly in top of current master
( a5674c21584a32a4f8a8a3e9ea3c3576f772e744 ) pushed Sun 2012-02-12.

Tomi