* Filter-out nodes.json (#7716)
* Filter-out nodes.json
* network: sort node table nodes by failure ratio
* network: fix node table tests
* network: fit node failure percentage into buckets of 5%
* network: consider number of attempts in sorting of node table
* network: fix node table grumbles
* Fix client not being dropped on shutdown (#7695)
* parity: wait for client to drop on shutdown
* parity: fix grumbles in shutdown wait
* parity: increase shutdown timeouts
* Wrap --help output to 120 characters (#7626)
* Update Clap dependency and remove workarounds
* WIP
* Remove line breaks in help messages for now
* Multiple values can only be separated by commas (closes#7428)
* Grumbles; refactor repeating code; add constant
* Use a single Wrapper rather than allocate a new one for each call
* Wrap --help to 120 characters rather than 100 characters
* Refactor and port CLI from Docopt to Clap (#2066)
* Add --can-restart and --force-direct to help
* Add flag support to subc & move import/export options to subcommand
* Reorder subcommand args (put positional args last in CLI help message)
* The front-end for each hard-fork, also EIP-160.
* Address EIP161 a/c
* Include EIP-161b
* EIP-161 part d.
* Fix test build.
* Fix one test, add another.
* Fix use of bloom & renaming.
* Initial groundwork for EIP-155
* Fix minor bug.
* Fix all tests finally.
* Rest of EIP-155.
* Add tests for EIP-155 algorithm.
Update transaction tests validation.
* Minor reformat.
* Address grumbles.
* Remove unused code.
* Fix SUICIDE gas mechanism and add consensus tests.
* Remove commented code.
* Set Frontier hardfork block number
* Fix warning.
* Transaction tests,
