Merge branch 'master' into design-fix

src/main/resources/templates/createOrga.html

@@ -54,7 +54,7 @@
                         <div class="form-group mt-3">
                             <label for="userMaximum">Teilnehmeranzahl</label>
                             <input class="form-control" id="userMaximum" required th:name="userMaximum"
-                                   type="number" min="1">
+                                   type="number" min="1" max="10000">
                         </div>
                         <div class="custom-control custom-checkbox">
                             <input class="custom-control-input" id="visibility" th:name="visibility"

src/main/resources/templates/detailsMember.html

@@ -61,7 +61,7 @@
                     </form>
                     <form action="/gruppen2/deleteGroup" method="post">
                         <button class="btn btn-danger" style="border-style: none; margin: 5px"
-                                th:name="group_id" th:value="${group.getId()}"
+                                th:name="group_id" th:value="${group.getId()}" th:if="${group.getRoles().get(user.getId()) == admin}"
                                 type="submit">Gruppe löschen
                         </button>
                     </form>