SLING-3418 : Wrong path handling wrt search paths
SLING-3419 : Component name specified instead of component label
SLING-3420 : Implement ModifyingResourceProvider - first version

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1572039 13f79535-47bb-0310-9956-ffa450edef68