* Add a check for cold state storage
* amend comment
* gaz
* Merge branch 'master' into coldstate-e2e
* Merge refs/heads/master into coldstate-e2e
* Merge refs/heads/master into coldstate-e2e
* PR feedback
* Merge branch 'coldstate-e2e' of github.com:prysmaticlabs/prysm into coldstate-e2e
* Update endtoend/evaluators/data.go
* Merge refs/heads/master into coldstate-e2e
* Merge refs/heads/master into coldstate-e2e
* Merge refs/heads/master into coldstate-e2e
