Implement ability to get names of defined scheduler calendars
Created DTOs for Scheduler Calendars
Added some utility functions to calendar DTOs to manage exclusion date management
Fixed some consistencies, made calendar items self-aware of type
Implemented calendar details retrieval
Implemented create/update and delete calendar methods for JobService
Abstract all services from a new abstract JRSService to eliminate unnecessary repeated code
Added some DTOs for Domain Metadata specific items, added DomainService to Client exposed services.