Query dead-code cleanup
simplify RelationManager/Query/QueryProcessor/Visitor relationship
Merge branch 'master' into USERGRID-1768
PathQuery and Results paging iterators
cleanup dead code
make PathQuery (and Query and Identifier) serializable by Jackson - required for scheduling
special path handling for Notification matrix query processing
Merge branch 'master' into USERGRID-1768
ensure originalQl is actually the original
cleanup / reformatting
Merge pull request #181 from apigee/USERGRID-1768

Usergrid 1768 - Push Notification Async Queuing