HIP-16: Enforce a 6.4% max key per shard limit for each validator

[RoboValidator]

No worries I don’t mind if you do But I went ahead posted in a separate thread:

Cap the amount that can be staked per validator for each delegator

Summary: Add a per validator staking cap for each delegator to encourage large delegators to spread their stake more evenly to encourage decentralization. Background: Currently large delegators such as exchanges and hedge funds control a large percentage of staked ONE. Unfortunately these large wallets have not spread their stake as evenly as many in the community would like. To encourage these delegators to diversify their stake, we propose a maximum cap on how much ONE a delegator can stake t…