* Rename BeaconBlockBodyMerge to BeaconBlockBodyBellatrix
* Rename SignedBeaconBlockMerge to SignedBeaconBlockBellatrix
* Rename CopyBeaconBlockMerge to CopyBeaconBlockMerge
* Rename NewBeaconBlockMerge to NewBeaconBlockBellatrix
* Rename BeaconBlockMerge to BeaconBlockBellatrix
* Rename some comments and strings in pkg proto: Merge -> Bellatrix
* Rename PbMergeBlock to PbBellatrixBlock
* Many renames of merge -> bellatrix in proto package
* Rename some Merge -> Bellatrix in beacon chain package
* More names
* Fix formating in config/params/config.go
* Rename Merge -> Bellatrix in proto/prysm/storage
* Several renames and corrections Merge -> Bellatrix
Co-authored-by: Potuz <potuz@potuz.net>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
Co-authored-by: Potuz <potuz@potuz.net>
Co-authored-by: Nishant Das <nishdas93@gmail.com>