* add data structures
* generate proto
* add in new fields
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into saveETH1Data
* add comments
* Merge branch 'master' into saveETH1Data
* remove file
* Merge branch 'saveETH1Data' of https://github.com/prysmaticlabs/geth-sharding into saveETH1Data
* Merge branch 'master' into saveETH1Data
* Merge branch 'master' into saveETH1Data
* Merge refs/heads/master into saveETH1Data
* Merge refs/heads/master into saveETH1Data