[gtk] Add licensing and copyright notice to report generators

[Emmanuele Bassi <ebassi src gnome org>]

commit 97fb1c7757ddbc63f99f11809c323f5843bf380f
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Apr 16 11:43:23 2019 +0100

    Add licensing and copyright notice to report generators
    
    So that other projects can use them.

 .gitlab-ci/meson-html-report.py  | 8 ++++++--
 .gitlab-ci/meson-junit-report.py | 8 ++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci/meson-html-report.py b/.gitlab-ci/meson-html-report.py
index 1bee25791d..bfb7e4994c 100755
--- a/.gitlab-ci/meson-html-report.py
+++ b/.gitlab-ci/meson-html-report.py
@@ -1,8 +1,12 @@
 #!/usr/bin/env python3
 
+# Turns a Mason testlog.json file into an HTML report
+#
 # Copyright 2019  GNOME Foundation
-
-# Turns a test log generated by Meson into an HTML report
+#
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# Original author: Emmanuele Bassi
 
 import argparse
 import datetime
diff --git a/.gitlab-ci/meson-junit-report.py b/.gitlab-ci/meson-junit-report.py
index ea49282487..248ef6e2b1 100755
--- a/.gitlab-ci/meson-junit-report.py
+++ b/.gitlab-ci/meson-junit-report.py
@@ -1,5 +1,13 @@
 #!/usr/bin/env python3
 
+# Turns a Meson testlog.json file into a JUnit XML report
+#
+# Copyright 2019  GNOME Foundation
+#
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# Original author: Emmanuele Bassi
+
 import argparse
 import datetime
 import json