1. MonitorServiceCheckDeployController.java: [NEW] Controller added and
a. "hello()" method (@RequestMapping(value = {"", "/health_check"}, method = RequestMethod.GET)) which just prints and returns a greeting message.
b. "checkEverything()" method @RequestMapping(value = "/health_check/advanced", method = RequestMethod.GET) only accessible by PORTAL ADMINS which checks connection with db and prints properties.
2. TestController.java: Comment "index()" method with @RequestMapping("/").
3. IndicatorController.java: [Bug fix]
a. Added a check when the value of an indicator path parameter is null
b. When an indicator path parameter from a default profile is deleted, delete this parameter also from all profiles based on this default.
2. New controllers for each entity: TopicController.java, CategoryController.java, SubCategoryController.java, IndicatorController.java.
3. New DAOs for each entity: TopicDAO.java, MongoDBTopicDAO.java, CategoryDAO.java, MongoDBCategoryDAO.java, SubCategoryDAO.java, MongoDBSubCategoryDAO.java.
4. New custom Exceptions: EntityNotFoundException.java, PathNotValidException.java.
5. ExceptionsHandler.java: Handle new EntityNotFoundException (id not in db) and PathNotValidException (id exists in db but not in path given).