* Extract advanced gas input controls to their own component
* Add advanced inline gas toggle to settings
* Add optional advanced inline gas to send send screen
* Adds optional advanced gas inputs to the confirm screen
* Add info modals for advanced gas inputs.
* Fix translation of advance gas toggle description.
* Lint and unit test fixes for inline-advanced-gas-inputs
* Increase margin above advanced options button on send screen
* Move methods from constructor to property syntax in advanced-gas-inputs.component
* Fix rounding issue when sending max tokens
* Ensure amount row shows exact amount of max tokens on send screen (#2)
* Fix tests
* Change stored redux value from BigNumber to hex string. Fix TokenInput default value