Home landing page (#4178)

* Home entry point (basics)

* WIP store for web

* Add DappUrlInput component

* Updated tests

* WIP store update

* Adjust styling

* Add home tab

* Collapse first/last without extra divs

* Navigation actually navigates

* styling

* Encoding of ethlink.io URLs

* encodedUrl setup

* base58 encoded URLs

* Added decoding, updated tests to Parity-compliant

* Base32 (synced with Rust implementation via tests)

* Split URL into 63 character chunks

* Fix store test

* Cleanups

* s/ethlink/dapplink/

* Display app navigation & histroy

* Start on /accounts (for now, until expanded fully)

* Update tests

* ethlink.io -> web3.site

* Basic list layout

* Store history on navigation

* Show Accounts & Dapps

* Add skeleton for DappIcon (WIP)

* DappIcon WIP

* DappIcon in place

* Split into maneable sub-components

* WIP

* Tests for views/Home

* Swap default entry-point to /home

* Expose registry.get via lookupMeta

* Add getEntry interface, fix instance retrieval (with tests)

* Add news display component

* Add tests for added contracts/registry methods

* Fix GHH test refactoring

* render news via SectionList

* News items store directly

* Images

* News & Urls has new layout

* Convert remainder

* First run-through of MVP for SectionList

* Update tests

* Deploycontract should not override global p styles

* Allow styles overrides for head & body

* Adjust layout styling

* revert Container>flex

* Adjust sizes of history items

* Cleanups

* HistoryStore for tracking relevant routes

* Default route is still /accounts

* Fix tests

* Update 2015-2017

* Add lookupMeta & tests

* Add getEntry & tests

* Split Dapp icon into ui/DappIcon

* Update copyright dates

* Encoding for *.web3.site urls

* Dapp history retrieval

* Grow to only 40% on hover

* Update description

* Add DappUrlInput component

* Update Web views with store

* Update spec description

* Update spec description

* edited url does not allow in-place store edits

* Use /web/<hash> urls for iframe

* Removed (now) unused _list.css

* Mistamtched merge fixed

* Tab split (WIP)

* Split Tab component

* Update tests after merge

* typo

* Remove background !important

* Set item width to parent

* Set width, remove overflow-x: hidden

* Align hover overlays

* Container defaults to some opacity

* Display history from listRecentDapps

* Override styles for a tags

* Open URLs in new window when extension is available

* Fix tests after update

* AccountCard width 100%

* Re-add opening correct url in tab

* Cleanup link rendering

* Remove hardcoded news URL

* pre-merge

* Extra padding at Home bottom (Pr grumble)

* Match js-vaults stretch

* s/Web Apps via URL/Web Apps/ (PR grumble)

* Store recent wallets (PR grumble)

* Simplify inline style matching (PR comment)

* Add store for new retrieval

* Add missing observer

* Auto-link based on account type

* Fix UI overlaps

* Extra spacing

* Only show account when accountInfo is available

* Align timestamp line-heights

* Fix tests

* Update tests

* Really fix failing test (check for Connect(Account))