* 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)
