* Refactor attestation packing slightly to reduce the skip slot / HTR of process slots
* Merge branch 'master' into refactor-attestation-packing
* gofmt
* Merge branch 'refactor-attestation-packing' of github.com:prysmaticlabs/prysm into refactor-attestation-packing
* Merge branch 'master' of github.com:prysmaticlabs/prysm into refactor-attestation-packing
* Add static analysis to enforce usage of InitWithReset
* Add comment / lint
* fix a few usages
* more fixes for featureconfig.Init
* Fix analyzer
* Merge branch 'sa-fc-init' of github.com:prysmaticlabs/prysm into sa-fc-init
* Merge refs/heads/master into sa-fc-init
* Merge refs/heads/master into sa-fc-init
