* release flag
* add comment
* improve
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge branch 'master' into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into releaseStateRef
* remove old flags
* gaz
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* Merge refs/heads/master into releaseStateRef
* revert all changes
* revert test
* unreachable code
* Merge refs/heads/master into revertValidatorRefCopy
* Merge refs/heads/master into revertValidatorRefCopy
* fixes segfault
* Merge branch 'master' into fix-nil-segfaults
* upd state
* Merge branch 'master' into fix-nil-segfaults
* updates shard=1
* Merge refs/heads/master into fix-nil-segfaults
* Merge refs/heads/master into fix-nil-segfaults
* Merge refs/heads/master into fix-nil-segfaults
* fixes tests
* Merge branch 'fix-nil-segfaults' of github.com:prysmaticlabs/prysm into fix-nil-segfaults
* reset config to nil
* add flag assertion to other beacon-chain/rpc files
* Merge refs/heads/master into fix-nil-segfaults
* fix the rest featureconfig.init calls
* Merge branch 'fix-nil-segfaults' of github.com:prysmaticlabs/prysm into fix-nil-segfaults
* remove config setting from init
* gazelle
* reset shard back to 4
* add state changes
* add new changes
* add flag
* lint
* add flag
* change to correct bool
* fixing and consolidating trie
* lint
* Apply suggestions from code review
* Merge refs/heads/master into addBetterCopying
* Merge branch 'master' into addBetterCopying
* refCopy -> stateRefCopy
* Merge refs/heads/master into addBetterCopying
* tests whether unexpected mutation of validators within state is avoided
* Merge branch 'addBetterCopying' of github.com:prysmaticlabs/prysm into addBetterCopying
* remove unnecessary fields
* gazelle
* updates test
* avoid unexpected mutation in block roots on refcopy
* avoid unexpected mutation in state roots on refcopy
* Merge refs/heads/master into addBetterCopying
* Merge branch 'master' into addBetterCopying
* fix test
* randao tests
* simplify tests
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* test cur/prev attestations mutation
* Merge branch 'addBetterCopying' of github.com:prysmaticlabs/prysm into addBetterCopying
* gazelle
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* fixes tests
* minor naming update
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* Merge refs/heads/master into addBetterCopying
* track field references
* gofmt, RLock
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* cleanup comments
* Merge branch 'randao-ref-tracking' of github.com:prysmaticlabs/prysm into randao-ref-tracking
* Add a test for finalizer
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* maybe fix data race
* maybe fix data race
* temp comment out test file to find which one fails race test
* its definitely something with the checkpoint state cache
* its definitely something with the checkpoint state cache
* its definitely something with the checkpoint state cache
* Merge refs/heads/master into randao-ref-tracking
* This should fix it
* Merge branch 'randao-ref-tracking' of github.com:prysmaticlabs/prysm into randao-ref-tracking
* gaz
* Merge refs/heads/master into randao-ref-tracking
* Merge refs/heads/master into randao-ref-tracking
* turn off race detection, i dont understand why is broken
* Merge branch 'randao-ref-tracking' of github.com:prysmaticlabs/prysm into randao-ref-tracking
* feedback
* @nisdas feedback
* Revert "@nisdas feedback"
This reverts commit 6129cf84e6b5ceb085ff8ed3d47b1c432cd05ca9.
* Merge refs/heads/master into randao-ref-tracking