Refactor part 1

{{url}}/api/v1/courses/getCourses =>  {{url}}/api/v1/courses/all
{{url}}/api/v1/groups/getCourseGroups?id=13 => {{url}}/api/v1/groups/course/13
{{url}}/api/v1/courses/getCoursesWithGroups => {{url}}/api/v1/courses/all?groups=true
{{url}}/api/v1/commisions/add => {{url}}/api/v1/commisions/user
{{url}}/api/v1/commisions/getAllCommisions => {{url}}/api/v1/commisions/user
{{url}}/api/v1/assignments/getCurrentAssignments =>{{url}}/api/v1/assignments/user
{{url}}/api/v1/users/searchForStudents => {{url}}/api/v1/users/search

Signed-off-by: Marcin Woźniak <y0rune@aol.com>

restservice/src/main/java/com/plannaplan/controllers/CommisionController.java

@@ -42,7 +42,7 @@ public class CommisionController extends TokenBasedController {
     public CommisionController() {
     }
 
-    @PostMapping("/add")
+    @PostMapping("/user")
     public ResponseEntity<String> addCommision(@RequestBody List<Long> groups) throws UserNotFoundException {
 
         User user = this.getCurrentUser().orElseThrow(() -> new NullPointerException());
@@ -58,7 +58,7 @@ public class CommisionController extends TokenBasedController {
         return new ResponseEntity<>("Succes", HttpStatus.OK);
     }
 
-    @GetMapping("/getAllCommisions")
+    @GetMapping("/user")
     public ResponseEntity<List<CommisionResponse>> getAlCommisions() throws UserNotFoundException {
         User user = this.getCurrentUser().orElseThrow(() -> new NullPointerException());
         List<CommisionResponse> result = CommisionResponseMappers