EIP-1014 CREATE2

Documentation for tests/constantinople/eip1014_create2@0fdd974b.

Generate fixtures for these test cases for Osaka with:

fill -v tests/constantinople/eip1014_create2 --fork Osaka

abstract: Test EIP-1014: Skinny CREATE2.

Tests for  [EIP-1014: Skinny CREATE2](https://eips.ethereum.org/EIPS/eip-1014).