* cleanup staking references from types pkg
* check interface on runtime
* fixes
* rename validator set from slashing keeper
* final cleanup
* fix test
* fix querier
* fix tests
* rename interfaces
* update bond status
* fixes
* expected pkg
* ensure expected keepers match used funcs
* cha cha cha
* Remove shares concept from unbonding and redelegation
* Remove redundant staking REST type declerations
* Rename staking REST request types
* Fix slashing tests
* Fix staking tests
* Fix integration tests
* Add safety checks for when validator tokens are zero
* Attempt to fix simulation
* Add pending log entry
* Update docs
* Implement and use SharesFromTokens
* Rename ShareTokens and ShareTokensTruncated
* Rename Delegation to Amount in DelegateRequest
* Implement and use SharesFromTokensTruncated
* Update MsgDelegate to use Amount instead of Value
* Use constructors in staking sim messages
* Implement and use ValidateUnbondAmount