Enable updating jurisdiction name from district edit view and cascade all changes while updating project details

- Add DistrictTypes and Districts properties to ElectionProject domain class
- Add one-to-many relationship with cascade all-delete-orphan for District types and Districts properties in ElectionProject.hbm file
- Add cascade save-update for Project property in District.hbm file
- Add FindJurisdictionType method in JurisdictionType service and serviceController
- Update District and Project services and controllers and update required views
- Update unit tests