Summary of actions performed:

* App.js routes
	* AccountsList
		* New functionality - `<RequireHealthOverlay require='connected-offline'>`
			* Note: we need to be connected even for the AccountsList page since most accounts actually come from parity-ethereum (as pointed out by @amaurymartiny). New functionality (@amaurymartiny proposal) uses additional 'connected-offline' state so if we are connected to the node but not to the internet we can show the AccountsList page
	* Accounts (token list page)
		* Retain existing functionality - `<RequireHealthOverlay require='sync'>`
	* Create Account / Import Account
		* New functionality - `<RequireHealthOverlay require='connected-offline'>`
	* Backup Account
		* New functionality - `<RequireHealthOverlay require='connected-offline'>`
	* Onboarding
		* New functionality - no overlay since not wrapping App.js
	* Search tokens (Whitelist)
		* Retain existing functionality - `<RequireHealthOverlay require='sync'>`
* Send.js routes
	* TxForm, Unlock, TxQrCode, ScanSignedTx, SignedTxSummary
		* Retain existing functionality - `<RequireHealthOverlay require='sync'>`
	* Sent
		* Retain existing functionality by wrapping the individual component instead of App.js with: `<RequireHealthOverlay require='connected' fullscreen>`

* Note: `RequireHealthOverlay` has two states:
		* `require='connected-offline` no alert/overlay when user connected to a local node but not connected to the internet
		* `require='connected'` shows full screen alert when the user is not connected to the node and and not connected to the internet
		* `require='sync'` shows when the user is not sync
* Note: Only the Sent component has a fullscreen overlay
* Note: This wraps everything related to eth/token/balance/transfer with `require='sync'`
* Note: We are not wrapping App.js anymore since when using both `<RequireHealthOverlay require='connected' fullscreen>` in addition to wrapping other components such as Accounts.js with `<RequireHealthOverlay require='connected-offline'>` doesn't allow it. Instead just wrap individual components

* Remove titleOffset and add placeholder width for header nav buttons

* Remove passing `screen` prop for specific pages

* Change Account screen so its header uses the Information component with a big identicon, a short address,
so it is clickable, and with identicon on left of name and address.

* Apply extra bottom margin between name and account address when Information component used in the header

* Update header so it uses Flexbox according to docs as intended

* Since we're using Flexbox without placeholder spacing for the left and right header buttons, when the title
is shown in the header it is offset if there is only a left or right button. So a `titleOffset` prop
is used on pages where the Header component is used to indicate if the title needs to be offset to the left
or right so it appears centered in the screen. We also pass a `screen` prop (named after the component where the
Header component is being used so we can tailor the header spacing on specific screens.

* Re-order props alphabetically

* QUESTION - should we consider always adding placeholder spacing for where both right and left buttons in header would be as an alternative so no offset for the title is require?

* Remove titleOffset and add placeholder width for header nav buttons

* Remove passing `screen` prop for specific pages

* Change Account screen so its header uses the Information component with a big identicon, a short address,
so it is clickable, and with identicon on left of name and address.

* Apply extra bottom margin between name and account address when Information component used in the header

* Update header so it uses Flexbox according to docs as intended

* Since we're using Flexbox without placeholder spacing for the left and right header buttons, when the title
is shown in the header it is offset if there is only a left or right button. So a `titleOffset` prop
is used on pages where the Header component is used to indicate if the title needs to be offset to the left
or right so it appears centered in the screen. We also pass a `screen` prop (named after the component where the
Header component is being used so we can tailor the header spacing on specific screens.

* Re-order props alphabetically

* QUESTION - should we consider always adding placeholder spacing for where both right and left buttons in header would be as an alternative so no offset for the title is require?

- Add option to import a Parity Signer account. It is then stored in
local storage.

- Send transactions with Parity Signer accounts

- Refactor sendStore so that "token" (and chainId) is inside this.tx;
avoids having to pass `token` around every function, and it makes sense
to put it in the object since it is part of the tx info.

- Add account type (either node or signer) to accountsInfo

- Add account type to withAccount; output props are now `{account:
{address, type}}` instead of `{accountAddress}`

* Create TxDetails component and move relevant instance methods from TxForm into TxDetails

* Fix linting warning `Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener`

lint