* 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
* Strip out wallet classes for ethereumjs-wallet, stuff wallet types in privkey for now
* Seperate wallets into deterministic and non-deterministic, change IWallet and deterministic wallets to adhere to getAddressString
* Fix broken test, remove scryptsy
* Fix broken test, re-add scryptsy to make this PR pass
* Remove uuid from deps and keystore test
* Add ethereumjs-wallet to DLL
* Wrap mnemonic wallet
* Fix definition module for thirdparty wallets
* Fix MewV1 wallet not loading due to wrong library
* Fix tsc error
* Decrease n-factor to 1024, checksum address of keystore
* Fix isKeystorePassRequired
* Fix tsc errors
* Merge package lock
* Update package lock
* regenerate lock file
* Lock typescript to 2.5.2
* Merge develop
HenryNguyen5