* Remove unneeded "wait_neighbours_not_empty"
* Fix "round_started_at" for the first round
* Fix use after move in overlay.cpp
* Move "last gc masterchain state" stat to CellDbIn::prepare_stats
* Fix disabling state serializer
This commit contains some parts of https://github.com/ton-blockchain/ton/tree/accelerator
This is auxiliary code that mostly does not change node behavior.
1) Semiprivate overlays and other improvements in overlays code
2) Rename actual_min_split -> monitor_min_split, fix building shard overlays
3) Loading block candidates by block id from DB, fix accept_block after validator restart
4) Cells: ProofStorageStat and changes in CellUsageTree
5) Remove some unused code, other minor changes
* Rename chunk to piece in MerkleTree for consistency
* Refactor PeerManager
* Make PeerState thread-safe
* Download torrent by hash
* First version of storage daemon
* Download torrents partially
* Improve storing and loading torrent state in DB
* Rewrite MerkleTree
* "Remove torrent" in storage daemon
* Process errors, fix bugs in storage
* Move TonlibClientWrapper from rldp-http-proxy to tonlib
* Initial version of storage provider
* Move interaction with contracts to smc-util
* Improve TonlibClientWrapper interface
* Various improvements in storage provider
* Fix TorrentCreator.cpp
* Improve interface for partial download
* Client mode in storage-daemon
* Improve interface of storage-daemon-cli
* Fix calculating speed, show peers in storage-daemon
* Use permanent adnl id in storage daemon
* Fix sending large "storage.addUpdate" messages
* Improve printing torrents in cli
* Update tlo
* Fix RldpSender::on_ack
* Update storage provider
* Add "address" parameter to get-provider-params
* Allow client to close storage contract
* Limit torrent description
* Add more logs to storage provider
* smc.forget tonlib method
* Use smc.forget in storage daemon
* Optimize sending messages in smc-util.cpp
* Fix verbosity, remove excessive logs
* Json output in storage-daemon-cli
* Update storage provider contracts
* Fix rldp2 acks
* Change verbosity of logs in rldp2
* Update help and output of commands and in storage-daemon-cli
Co-authored-by: SpyCheese <mikle98@yandex.ru>