- Added deployment operation documentation
BZ-1038229 - JMS API is unable to load a class in the deployment with some requests
(cherry picked from commit 150fba95dd19801cd236ad444b12e2cd309a47b5)
refactor of task persistence
refactor for task service enhancements
moved task statistic methods to query service as they were directly using query service anyway
improved Task EventService, added RuntimeManagerRegistry for centralized store of active runtime managers