* Use tooltip for display of helper text in wallet views copy to clipboard feature.
* Use react-tippy in wallet-view.js; center arrow tooltip throughout tooltip text change.
* Remove unnecessary tabIndex attribute from wallet view address element.
* Adds memo field to send-v2.
* Vertical align transaction with flexbox.
* Customize Gas UI
* Remove internal state from InputNumber and fix use in gastooltip.
* Move customize-gas-modal to its own folder and minor cleanup
* Create send container, get account info from state, and make currency display more reusable
* Adjusts send-v2 and container for send-token. Dynamically getting suggested gas prices.
* Adds utility for converting currencies (WIP)
* Implements confirm screen
* Style tweaks.
* Confirm screen total ammount now uses real data.
* Confirm screen total ammount now uses real data.
* Replace content divider with sibling css.
* Replace section divider with scss.
