* watchtower: send error message as notification
* watchtower: send all clear notification when ok again
* watchtower: add twilio sms notifications
* watchtower: flag to suppress duplicate notifications
* remove trailing space character
* changes as per suggestion on PR
* all changes together
* cargo fmt
* Do periodic inbound compaction for rooted slots
* Add comment
* nits
* Consider not_compacted_roots in cleanup_dead_slot
* Renames in AccountsIndex
* Rename to reflect expansion of removed accounts
* Fix a comment
* rename
* Parallelize clean over AccountsIndex
* Some niceties
* Reduce locks and real chunked parallelism
* Measure each step for sampling opportunities
* Just noticed par iter is maybe lazy
* Replace storage scan with optimized index scan
* Various clean-ups
* Clear uncleared_roots even if no updates
* SDK: Split new `FeeRateGovernor` out of `FeeCalculator`
Leaving `FeeCalculator` to *only* calculate transaction fees
* Replace `FeeCalculator` with `FeeRateGovernor` as appropriate
* Expose recent `FeeRateGovernor` to clients
* Move `burn()` back into `FeeCalculator`
Appease BPF tests
* Revert "Move `burn()` back into `FeeCalculator`"
This reverts commit f3035624307196722b62ff8b74c12cfcc13b1941.
* Adjust BPF `Fee` sysvar test to reflect removal of `burn()` from `FeeCalculator`
* Make `FeeRateGovernor`'s `lamports_per_signature` private
* rebase artifacts
* fmt
* Drop 'Recent'
* Drop _with_commitment variant
* Use a more portable integer for `target_signatures_per_slot`
* Add docs for `getReeRateCalculator` JSON RPC method
* Don't return `lamports_per_signature` in `getFeeRateGovernor` JSONRPC reply
