Fix report card (#1845)

* fix: report card

Fix and simplify calculation of the number of assignments a user solved.
Rename `UserTracker` to `UserProgress`
Rename `LessonTracker` to `LessonProgress`
Rename tables in database

src/main/resources/webgoat/static/js/goatApp/controller/LessonController.js

@@ -8,8 +8,7 @@ define(['jquery',
     'goatApp/support/GoatUtils',
     'goatApp/view/UserAndInfoView',
     'goatApp/view/MenuButtonView',
-    'goatApp/model/LessonInfoModel',
-    'goatApp/view/TitleView'
+    'goatApp/model/LessonInfoModel'
     ],
     function($,
         _,
@@ -21,8 +20,7 @@ define(['jquery',
         GoatUtils,
         UserAndInfoView,
         MenuButtonView,
-        LessonInfoModel,
-        TitleView
+        LessonInfoModel
     ) {
         'use strict'