OAK-2196 - Implement sorting based on Lucene sorting

Disabling intermittently failing testcase for now

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1631986 13f79535-47bb-0310-9956-ffa450edef68
OAK-2196 - Implement sorting based on Lucene sorting

Fixed the failing testcase which was failing because for duplicate dates the order of path would be ambiguous.  As a fix the test data creation logic would now create unique random dates

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1631990 13f79535-47bb-0310-9956-ffa450edef68