New header image, licensing information in add_changes.py, some font rebuild I forgot to upload yesterday

add_changes.py

@@ -1,3 +1,19 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2018 Constantin A.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+
 import os
 
 # That's what we'd like to insert in our CHANGES.md later