Add Frank to AUTHORS

Frank Wickström · Frank Wickström · commit 7b093e396c63 · 2015-07-22T12:04:07.000+03:00
diff --git a/AUTHORS b/AUTHORS
@@ -19,4 +19,5 @@ CONTRIBUTORS are and/or have been (alphabetic order):
   Github: <https://github.com/LegoStormtroopr>
 * C. Barrionuevo da Luz, Fabio
   Github: <https://github.com/luzfcb>
-  
+* Wickström, Frank
+  Github: <https://github.com/frwickst>
