Add link to contributors page on GitHub.

pavoljuhas · pavoljuhas · commit a903b3c0d734 · 2014-03-02T14:33:39.000-05:00
diff --git a/AUTHORS.txt b/AUTHORS.txt
@@ -1,3 +1,9 @@
+Authors:
+
 Pavol Juhas
 Chris Farrow
 Simon J.L. Billinge
+
+Contributors:
+
+https://github.com/diffpy/libdiffpy/graphs/contributors
