Support for wildcard in pipeline

This patch will support for wildcard in pipeline.yaml so we
can exclude things like !storage.objects.*

This patch is dedicated to Fei Long Wang who triggered my thought on the
subject and proposed a first implementation.

docImpact
Fixes bug 1209128

Change-Id: I09a805ea7c9313b45152672a63981d5d4c263601
Merge "Support for wildcard in pipeline"