fix javadoc

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1513922 13f79535-47bb-0310-9956-ffa450edef68
OAK-659 Move purge logic for transient changes below the NodeBuilder interface
KernelNodeBuilder and RootNodeBuilder should return correct base node state

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1513924 13f79535-47bb-0310-9956-ffa450edef68