CR-3872 - OPENIDM-1972 - scheduler config updates

[OPENIDM-717] Removed "instanceId" from scheduler.json configuration

Updated sample schedule config file names, scheduler config, and fixed a typo in scheduler log message.

[#OPENIDM-669] [#OPENIDM-670] Finished scheduler resource CRUD API implementation. Created a Scheduler Config Service for handling schedule configurations and registering them with the Scheduler Service. renamed schedule configuration files and added a config file for the scheduler itself.