* Add validator_log.go
* Use new logging scheme
* Go fmt
* Better name
* Tests
* Tests
* Merge refs/heads/master into better-logging
* Merge branch 'master' of git+ssh://github.com/prysmaticlabs/prysm into better-logging
* Add wg.done, moved logging before span end
* Merge branch 'better-logging' of git+ssh://github.com/prysmaticlabs/prysm into better-logging
