go fmt and updates in .travis.yml

Author: mki1967

.travis.yml

@@ -5,12 +5,11 @@ addons:
     - xorg-dev
 language: go
 go:
-  - "1.6"
   - "1.x" 
 install:
   - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (we want it to happen inside script step).
 script:
   - go get -t -v ./...
   - diff -u <(echo -n) <(gofmt -d -s .)
-  - go tool vet .
+  - go vet .
   - go test -v -race ./...

actions.go

@@ -10,7 +10,7 @@ import (
 // "math/rand"
 )
 
-type ActionIndex  uint8
+type ActionIndex uint8
 
 const (
 	ActionNIL = ActionIndex(iota)