7ef752f61c
* Rename wallet 'receive' to 'listen' * Handle use of previous 'receive' command gracefully and clarify docs * Move listen port from main wallet config to subcommand and break input out into own file method * Clean up arg description * Add placeholder to docs for file method in wallet * Tidy wallet help text * Rename pending wallet 'receive' to 'request' * Restore receive method for file based transactions