Bump Go versions and use '.x' to always get latest patch versions

HaraldNordgren · HaraldNordgren · commit ef38848eb929 · 2018-10-28T15:02:21.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 
 go:
-  - "1.10"
+  - "1.10.x"
   - "1.11.x"
 
 sudo: required
