GenesisProtocol : Calculate Redeemable values off chain

[orenyodfat]

To eliminate calls to :
getRedeemableTokensStaker
getRedeemableReputationStaker
getRedeemableTokensVoter
getRedeemableReputationVoter
getRedeemableReputationProposer
getRedeemableTokensStakerBounty

see daostack/arc#501

[dkent600]

Can we please include in this Arc documentation that clearly provides formulas for computing all of these removed functions?

[orenyodfat]

this funcs will not be removed.
we might consider to make these internal.

[dkent600]

Keeping the logic in two places can cause problems down the road. Note the decision has been taken not to remove these functions from the contract API.