bump default resolver to a recent nightly

simonmichael · simonmichael · commit 3b9d0cebddab · 2018-04-27T15:06:20.000-07:00
diff --git a/stack.yaml b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-10.3
+resolver: nightly-2018-04-25
 
 packages:
 - '.'
