* Add disable-init-sync-batch-save-blocks
* Fix test
* Remove flag
* Merge branch 'master' into disable-init-sync-batch-save
* Quick fix
* Quick fix
* Merge branch 'master' of github.com:prysmaticlabs/prysm into disable-init-sync-batch-save
* Merge branch 'disable-init-sync-batch-save' of github.com:prysmaticlabs/prysm into disable-init-sync-batch-save
* Clear init sync blocks at the right place
* Starting a quick PoC
* Rate limit to one epoch worth of blocks in memory
* Proof of concept working
* Quick comment out
* Save previous finalized checkpoint
* Merge branch 'master' of github.com:prysmaticlabs/prysm into batch-save
* Test
* Merge branch 'prev-finalized-getter' into batch-save
* Minor fixes
* Use a map
* More run time fixes
* Remove panic
* Feature flag
* Removed unused methods
* Fixed tests
* E2e test
* Merge branch 'master' into batch-save
* comment
* Merge branch 'master' into batch-save
* Compatible with current initial sync
* Merge branch 'batch-save' of github.com:prysmaticlabs/prysm into batch-save
* Merge refs/heads/master into batch-save
* Merge refs/heads/master into batch-save
* Merge refs/heads/master into batch-save
* Merge branch 'master' of github.com:prysmaticlabs/prysm into batch-save
* Feedback
* Merge branch 'batch-save' of github.com:prysmaticlabs/prysm into batch-save
* Merge refs/heads/master into batch-save