* eslint: Check for unused function arguments
* eslint: Ignore unused '_' in argument list
Also allow any number of '_' e.g., '__' or '___' which is to be used sparingly
* Remove and rename unused arguments
* transactions - use safe-event-emitter over events
* tests - pass a platform object on init with a noop showTransactionNotification
* test - fix for tx-state-history-helper trying to reduce an empty array
* deps - safe-event-emitter
* lint
* Add beginning of test
* Resubmit approved transactions on new block
May fix#4343 and related issues, where an error could leave
transactions stranded in the approved state.
* Remove unused test
* Re-approve transactions when retrying approved
* Add retry approved test
* Include approved in pending tx count
* Fix getPendingTxs()
* Linted
* Only throw hash error in submitted state
* Only check submitted txs for block inclusion
* Fix test expectations
