OAK-1858 Segment Explorer
 - order child nodes by name on display
 - removed a fat instanceof check

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1623959 13f79535-47bb-0310-9956-ffa450edef68
OAK-1977 ContentMirrorStoreStrategy should utilize path restriction when available

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1623964 13f79535-47bb-0310-9956-ffa450edef68