* utilize pubkey from privkey if missing pubkey field in keystore
* change tool as well
* Merge refs/heads/master into strange-keystore
* Merge refs/heads/master into strange-keystore
* no need for pass in new account create
* disallow duplicates
* deduplicate and test
* gaz
* fix up broken tests
* unit test for no duplicates
* Merge branch 'master' into fix-account-create
* fix import
* Merge refs/heads/master into fix-account-create
* Merge branch 'fix-account-create' of github.com:prysmaticlabs/prysm into fix-account-create