Update astropy-helpers to v1.1.1

bsipocz · bsipocz · commit d6ac7bd9906b · 2015-12-29T13:25:12.000+01:00
diff --git a/astropy_helpers b/astropy_helpers
@@ -1 +1 @@
-Subproject commit edf9f4717124a5e87a7b27b27f3c0dfadf9b6c66
+Subproject commit fedd7c52ba80e2246f83b8d1752baa3a153a33e2
