* updater: apply exponential backoff after download failure (#8059)
* updater: apply exponential backoff after download failure
* updater: reset backoff on new release
* Limit incoming connections. (#8060)
* Limit ingress connections
* Optimized handshakes logging
* Max code size on Kovan (#8067)
* Enable code size limit on kovan
* Fix formatting.
* add some dos protection (#8084)
* more dos protection (#8104)
* Const time comparison (#8113)
* Use `subtle::slices_equal` for constant time comparison.
Also update the existing version of subtle in `ethcrypto` from
0.1 to 0.5
* Test specifically for InvalidPassword error.
* revert removing blooms (#8066)
* Revert "fix traces, removed bloomchain crate, closes#7228, closes#7167"
This reverts commit 1bf62038678295e5586f02a38a0c5aab9a9efe62.
* Revert "fixed broken logs (#7934)"
This reverts commit f8a2e53f3e.
* fixed broken logs
* bring back old lock order
* remove migration v13
* revert CURRENT_VERSION to 12 in migration.rs
* Fix compilation.
* Check one step deeper if we're on release track branches
* add missing pr
* Fix blooms?
* Fix tests compiilation.
* Fix size.
* CI: Fix cargo cache (#7968)
* Fix cache
Blocking waiting for file lock on the registry index
* Only clean locked cargo cache on windows
* fixed ethstore sign (#8026)
* fix cache & snapcraft CI build (#8052)
after successful testing it is necessary to port in a ```beta``` and ```stable```
* Add MCIP-6 Byzyantium transition to Musicoin spec (#7841)
* Add test chain spec for musicoin byzantium testnet
* Add MCIP-6 Byzyantium transition to Musicoin spec
* Update mcip6_byz.json
* ethcore: update musicoin byzantium block number
* ethcore: update musicoin byzantium block number
* ethcore: update musicoin bootnodes
* Update musicoin.json
* Update musicoin.json
* More bootnodes.
