Add new copyright detection tests

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

tests/cluecode/data/copyrights/misco2/distributed_15.txt

@@ -0,0 +1,2 @@
+  g_message("! (c) 2005-2015 Dr. Johann Pfefferl");
+  g_message("! (c) Distributed under the terms and conditions of the GPL");

tests/cluecode/data/copyrights/misco2/distributed_15.txt.yml

@@ -0,0 +1,11 @@
+what:
+  - copyrights
+  - holders
+  - holders_summary
+copyrights:
+  - (c) 2005-2015 Dr. Johann Pfefferl
+holders:
+  - Dr. Johann Pfefferl
+holders_summary:
+  - value: Dr. Johann Pfefferl
+    count: 1

tests/cluecode/data/copyrights/misco2/distributed_16.txt

@@ -0,0 +1,11 @@
+Colours Icon (c) distributed under GPL (http://www.gnu.org/copyleft/gpl.html)
+Designed by Lothar Grimme http://www.grafixport.org/
+Sourced from https://www.iconfinder.com/icons/11/colors_icon#size=32
+
+mustache.js
+-------------
+The MIT License
+
+Copyright (c) 2009 Chris Wanstrath (Ruby)
+Copyright (c) 2010-2014 Jan Lehnardt (JavaScript)
+Copyright (c) 2010-2015 The mustache.js community

tests/cluecode/data/copyrights/misco2/distributed_16.txt.yml

@@ -0,0 +1,19 @@
+what:
+  - copyrights
+  - holders
+  - holders_summary
+copyrights:
+  - Copyright (c) 2009 Chris Wanstrath
+  - Copyright (c) 2010-2014 Jan Lehnardt
+  - Copyright (c) 2010-2015 The mustache.js community
+holders:
+  - Chris Wanstrath
+  - Jan Lehnardt
+  - The mustache.js community
+holders_summary:
+  - value: Chris Wanstrath
+    count: 1
+  - value: Jan Lehnardt
+    count: 1
+  - value: The mustache.js community
+    count: 1

tests/cluecode/data/copyrights/misco2/osm.txt

@@ -0,0 +1 @@
+ © OpenStreetMap contributors.

tests/cluecode/data/copyrights/misco2/osm.txt.yml

@@ -0,0 +1,11 @@
+what:
+  - copyrights
+  - holders
+  - holders_summary
+copyrights:
+  - (c) OpenStreetMap contributors
+holders:
+  - OpenStreetMap contributors
+holders_summary:
+  - value: OpenStreetMap contributors
+    count: 1