travis: use Go 1.8

Stephen Gutekanst · Stephen Gutekanst · commit 9f16c19da828 · 2017-03-29T13:56:30.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,2 +1,2 @@
 language: go
-go: 1.2
+go: 1.8
