Allow setting a filter in IndexDiff

IndexDiff now allows to set an additional filter. This can be used
e.g. for restricting the tree walk to a given set of files.

Change-Id: I642de17e74b997fa0c5878c90631f6640ed70bdd
Signed-off-by: Jens Baumgart <jens.baumgart@sap.com>
1 file changed