small preparations for more stability

src/main/java/de/jottyfan/camporganizer/module/admin/AdminRepository.java

@@ -324,7 +324,7 @@ public class AdminRepository {
 	 * @return number of affected database rows; should be 1
 	 */
 	public Integer upsertLocation(@Valid LocationBean bean) {
-		// TODO: implement; respect existing camps that fit to the current camp location.
+		// TODO: implement
 		throw new DataAccessException("not yet implemented");
 	}
 }

src/main/java/de/jottyfan/camporganizer/module/admin/AdminService.java

@@ -114,6 +114,7 @@ public class AdminService {
 	 * @param id the ID of the location
 	 */
 	public void deleteLocation(Integer id) {
+		// TODO: if a location is still in use by a camp, forbid deleting it
 	     adminRepository.deleteLocation(id);
 	}