- No longer an upper limit on how many makers can be in a pool.
- No longer a handshake for a maker to join a pool.
- No longer any special powers given to makers.
- Pool Id starts at 1 and increments by 1.
`@0x/contracts-staking`: Merge `exchange_fees` unit tests into `protocol_fees` unit tests.
`@0x/contracts-staking`: Remove `ProtocolFeeActor` and any use of it.
`@0x/contracts-staking`: Remove unused constants.
`@0x/contracts-staking`: Move WETH assertion constructor into `MixinDeploymentConstants`.
`@0x/contracts-staking`: Add more unit tests.
`@0x/contracts-staking`: Add assertions against `maximumMakersInPool` and `rewardDelegatedStakeWeight`.
`@0x/contracts-staking`: Rebase against 3.0 (again).
`@0x/contracts-staking`: Remove some unecessary asserts.
`@0x/contracts-staking`: Fix some broken test assertions.
`@0x/contracts-staking`: Generate better random values in tests.
`@0x/contracts-staking`: Rename `PPM_ONE` constant to `PPM_DENOMINATOR`.
`@0x/contracts-staking`: Minor solidity code improvements.
`@0x/contracts-staking`: Use more constants from `@0x/contracts-test-utils` in tests.
`@0x/contracts-staking`: Denominate pool operator shares in parts-per-million.
`@0x/contracts-staking`: Update tests for new stake computation and higher precision math.
`@0x/contracts-staking`: Add `setCobbDouglasAlpha()` function.
