Update to go 1.7 (#11)

PouuleT · web-flow · commit 9692efab1ae8 · 2016-10-06T15:38:53.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: go
 go:
-- 1.6
+- 1.7
 sudo: false
 before_install:
 - go get github.com/mitchellh/gox
