* upgrade to spring boot 1.5.2
* add full update to REST API
* modify ratings controller
* upgrade herold
* fix integration test
* fix integration test
* minor fix
* fix integration test
* fix integration test
* minor cleanup
* minor cleanup
* remove log4j properties
* use standard logbook.xml
* remove log4j dependencies
* BAL-36 File size api in java and apache commons IO
* BAEL-282 grep in java - fixes after code review
* BAEL-519 Added support for disruptor library
* BAEL-519 Added support for disruptor library
* BAEL-519 Added support for disruptor library
* BAEL-519 Added support for disruptor library
* BAEL-519 Added support for disruptor library
* BAEL-519 Added support for disruptor library
* BAEL-519 Added support for disruptor
* BAEL-519 Moved all supporting classes to main source
* BAEL-519 Moved all supporting classes to main source
* BAEL-519 Moved asserts and test classes in test folder.
* BAEL-519 moved test related producer and consumer to src.
* BAEL-586 Guide to Guava BiMap.
* BAEL-587 formatted code.
* BAEL-519 LMAX Disruptor
* BAEL-587 resolved merge
* BAEL-587 Resolved merge
* BAEL-519 Removed disruptor link.
* BAEL-519 Reverted Guava changes
* RFQ-587 Added disruptor as a separate module.
* BAEL-519 Disruptor changes.
* BAEL-519 Removed disruptor from core-java module.