* Implement CREATE2 gas changes and fix some potential overflowing
* Ignore create2 state tests
* Split CREATE and CREATE2 in gasometer
* Generalize rounding (x + 31) / 32 to to_word_size
* Add constantinople conf to EvmTestClient.
* Skip some test to update submodule etheureum/tests submodule to latest.
* Put skipping 'under issue' test behind a feature.
* Change blockReward for const-test to pass ethereum/tests
* Update tests to new constantinple definition (change of reward at block
5).
Switch 'reference' to string, that way we can include issues from others
repo (more flexible)Update tests to new constantinple definition (change
of reward at block 5).
Switch 'reference' to string, that way we can include issues from others
repo (more flexible).
* Fix modexp and bn128_mul gas prices in chain config
* Changes `run_test_path` method to append its directory results (without
that it stop testing at the first file failure).
Add some missing tests.
Add skip for those (block create2 is one hundred percent false but on
hive we can see that geth and aleth got similar issue for this item).
* retab current.json
* Update reference to parity issue for failing tests.
