Project: clover
Issue CLOV-1375: Extend API for loading and manipulate coverage files 
Clover 3.2.0 published new interfaces describing a database model (com.atlassian.clover.api.registry). We need to reveal more Clover stuff via API in order to make it more usable by other developers. For example: * loading database and coverage files, handling instrumentation sessions * manipulating coverage files
Story points: 8