Merge pull request #38 from twpayne/go-1.11

Use Go 1.11 on Travis

Author: twpayne

.travis.yml

@@ -6,6 +6,9 @@ addons:
     # needed for goreleaser/nfpm:
     - rpm
 
+go:
+  - 1.11.x
+
 # uncomment below if docker builds are enabled in .goreleaser.yaml
 # services:
 # - docker
@@ -24,4 +27,4 @@ deploy:
   script: curl -sL https://git.io/goreleaser | bash
   on:
     tags: true
-    condition: $TRAVIS_OS_NAME = linux
+    condition: $TRAVIS_OS_NAME = linux