KOR-22: Change ServiceInstance to use incremented id and change ServiceRegistry.registerService() to  use and return the queueName
KOR-21: Add shared models - yes duplicated (because of circling dependencies), but should be generated in future
KOR-23: Added KordaptCoreService to be extended from for seamless service registration
Add tx namespace to generated orm.xml spring configuration file
KOR-27: Added util for gzip-tar/ungzip-untar
Created module api-definition and moved classes based on api-definition to it