[skip ci] Updated licenses and gitignores

options/license/checkmk

+# Copyright (c) 2006, 2010  Micah Cowan
+#
+# Redistribution of this program in any form, with or without
+# modifications, is permitted, provided that the above copyright is
+# retained in distributions of this program in source form.
+#
+# (This is a free, non-copyleft license compatible with pretty much any
+# other free or proprietary license, including the GPL. It's essentially
+# a scaled-down version of the "modified" BSD license.)