* Progress commit -- ethereumjs-wallet typings
* Add hdkey module + better wallet typing
* Add provider-engine typings
* Add jsdoc descriptions for hdkey constructor methods
* Fix missing return type
* Fix another missing return
* Make provider engine options optional
* Add priv/pubkey members to wallet instance
* Turn into SFC + Use ethereumjs-lib
* Use proper interface naming for V3Wallet
* Switch to ethereumjs-wallet
* Switch to ethereumjs-wallet and refactor using NewTabLink
* Use proper interface naming for V3Wallet
* Use proper interface naming for PublicKeyOnlyWallet
* Fix broken test, re-add scryptsy to make this PR pass
* Fix definition module for thirdparty wallets
* Decrease n-factor to 1024, checksum address of keystore
* Update typedef for react-dom from 15 to 16
* Lock react-dom, set typescript to 2.5.2
HenryNguyen5
William O'Beirne