* Check offline status immediately.
* If they start the page offline, show a less severe error message.
* Get rid of offline aware header. Disable wallet options when offline.
* Add online indicator to the header.
* Prevent some components from render, some requests from firing when offline.
* Allow for array of elements with typing.
* Dont show dollars in fee summary when offline.
* Fix up saga tests.
* Fix sidebar component offline styles.
* Remove force offline.
* Dont request rates if offline.
* Nonce in advanced, show even of online.
* Show invalid advanced props.
* Fix up offline poll tests.
* Initial crack at simple only gas slider component.
* Work on advanced component. Refactor redux and components to specify gas limit vs price.
* Convert fee summary to a render cbesque thing.
* Rework responsive columns.
* Remove force offline button.
* Tweak styles.
* Fix tscheck issues, remove unneeded prop.
* Fix references to GasField
* Gas slider in lite send.
* Make gas slider network-aware for symbol and price calculation.
William O'Beirne