store the total amount of achievable XPs for a Questgroup in the database instead of calculating it every time (Issue #281)

www/analytics/plugins/API/stylesheets/listAllAPI.less

@@ -0,0 +1,48 @@
+#token_auth {
+    background-color: #E8FFE9;
+    border: 1px solid #00CC3A;
+    margin: 0 0 16px 8px;
+    padding: 12px;
+    line-height: 4em;
+}
+
+.example, .example A {
+    color: #9E9E9E;
+}
+
+.page_api {
+    padding: 0 15px 0 15px;
+}
+
+.page_api h2 {
+    border-bottom: 1px solid #DADADA;
+    margin: 10px -15px 15px 0;
+    padding: 0 0 5px 0;
+    font-size: 24px;
+    width:100%;
+}
+
+.page_api p {
+    line-height: 140%;
+    padding-bottom: 20px;
+}
+
+.apiFirstLine {
+    font-weight: bold;
+    padding-bottom: 10px;
+}
+
+.page_api ul {
+    list-style: disc outside none;
+    margin-left: 25px;
+}
+
+.apiDescription {
+    line-height: 1.5em;
+    padding-bottom: 1em;
+}
+
+.apiMethod {
+    margin-bottom: 5px;
+    margin-left: 20px;
+}