smwltr signed cla (#90)

contributors/smwltr.md

@@ -0,0 +1,11 @@
+2017.04.28
+
+I hereby agree to the terms of the Contributors License
+
+I furthermore declare that I am authorized and able to make this
+agreement and sign this declaration.
+
+Signed,
+
+Simon Walter
+https://github.com/smwltr