Change name “DevFunds” to “DevTxs”.
Remove unused functions in dev_funds (create accounts, unlock accounts, fund accounts).
Add console command `sendtx` to send a one-off dev transaction.
Modify the dev tx to send a 0-value tx to itself (ie the `web3.eth.defaultAccount` which is the `—dev` account).
Deprecate the command `regularTxs on/off` in favour of `devtxs on/off` (notice the casing).
Strip regulartxs from cockpit and modify the browser warning to instruct users to run a console command.