* begin using tree hash instead of hash for state and blocks
* replace with ssz
* rem references to vote cache
* replace all instances of state/block hash with root
* goimports
* almost every test in the world fails
* goimports
* all tests pass, tree hash across repo
* fix bug in eth1 data vote count increases
* updating attester slashings
* is double vote and attester pseudocode
* attester slashing revamp complete
* exits processing complete
* all block operations aligned to spec
* completed test revamp
* builds properly
* all done FINALLY
* deprecate all instances of old randao logic
* fix all broken tests and cleanup randao references across repo
* builds but tests failing
* fixing broken chaintests
* only chaintests fail now
* randao fully updated
* add bls todo
* lint
* travis
* fix unresolved property in struct
* remove used randao var
* update proto fileds
* Start writing ProcessETH1Data function
* More progress on tests
* Continue more work on tests
* Fix almost all the tests
* Fix all tests
* Fix everything
* Fix after rebase
* Fix for suggestions and fix per-epoch operation
* Remove method usage
* Fix build
* Fix suggestions
* Fix merge issues and suggestions
* Fix rebase issues
* Remove the error from ProcessETH1Data
* WIP write test
* Update test to reach crosslinks
* Revert "Update test to reach crosslinks"
This reverts commit 5ff9177f96c12c98c54eafffcfb385bd966b0888.
* Revert "WIP write test"
This reverts commit f7e7ed715c4af6b7e3c95643f7ebf85830caf638.
