OAK-2138 : documentation

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1642055 13f79535-47bb-0310-9956-ffa450edef68
OAK-2268: Support index time Aggregation of repository nodes
Minor logging changes

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1642056 13f79535-47bb-0310-9956-ffa450edef68
OAK-2138 : documentation

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1642057 13f79535-47bb-0310-9956-ffa450edef68
OAK-2303 - added jsr305 annotations

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1642062 13f79535-47bb-0310-9956-ffa450edef68
OAK-2302 - Simplify query debugging with MDC

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1642119 13f79535-47bb-0310-9956-ffa450edef68