* wallet should no longer deal with account passwords
* ensure tests are fixed
* Merge branch 'master' into corrupted-pass
* move mnemonic logic into right place
* rem fmts
* add fileutil
* gazelle
* imports
* move seed logic to derived
* fix tests
* imports
* gaz
* Merge refs/heads/master into corrupted-pass
* merge confs
* Merge refs/heads/master into corrupted-pass
* ivan's feedback
* Merge branch 'corrupted-pass' of github.com:prysmaticlabs/prysm into corrupted-pass
* gaz
* fix shared test
* Merge refs/heads/master into corrupted-pass
* resolve conflicts
* fix test build
* 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