- added contrib/presentations folder

 - added a README for presentations

diff --git a/contrib/presentations/README b/contrib/presentations/README
new file mode 100644 (file)
index 0000000..1cfae49
--- /dev/null
+++ b/contrib/presentations/README
@@ -0,0 +1,7 @@
+Put your presentations here if they are licensed in a way that they allow
+reuse and extension of the material.
+
+It is helpful if the name of the file includes a date when or where the
+presentation was held. That way people know that if facts are presented
+different than what they are at the moment, this may be due to recent
+developments. :)