OAK-301 Full-Text Queries

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1623941 13f79535-47bb-0310-9956-ffa450edef68
OAK-2087 - Record time when checpoint is created in SegmentNodeStore

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1623949 13f79535-47bb-0310-9956-ffa450edef68