Patch Changes
- fe8f2af: Minor fix to AttestationStation test
- 886fec5: Add attestation contracts
- 596d518: Update zeppelin deps in contracts periphery
- c12aeb2: Add deploy script for attestations tation
- a610b4f: Make zeppelin deps in contracts periphery not get hoisted
- 55515ba: Add some default options to optimist config
- bf5f9fe: Add authors to optimist contracts
- 9a996a1: Make deploy scripts a little safer
- 09924e8: Add test coverage script to contracts periphery
- 746ce55: Add deployment scripts for optimist
- 0e0546a: Add optimist contract