Fixing course ranking bug that adds a user +1 every time we enter a course

main/css/base.css

@@ -1913,7 +1913,7 @@ button:hover {
 
 .categories-course-links {
     float:left;
-    margin-top:20px;
+    margin-top:0px;
     height:16px;
     padding:2px;
     width:100%;

main/inc/lib/course.lib.php

@@ -3573,7 +3573,7 @@ class CourseManager {
     
     public function add_course_vote($user_id, $vote, $course_id, $session_id = null, $url_id = null) {
         $table_user_course_vote     = Database::get_main_table(TABLE_MAIN_USER_REL_COURSE_VOTE);        
-        $course_id  = empty($course_id)     ? api_get_course_int_id() : intval($course_id);
+        $course_id  = empty($course_id) ? api_get_course_int_id() : intval($course_id);
 		
 		if (empty($course_id) || empty($user_id)) {
 			return false;

main/inc/lib/events.lib.inc.php

@@ -1346,6 +1346,6 @@ function event_course_login($course_code, $user_id, $session_id) {
 	
 	
     //Course catalog stats modifications see #4191    
-    CourseManager::update_course_ranking();
+    CourseManager::update_course_ranking(null, null, null, null, true, false);
 }