* Add definition file for bn.js
* Remove types-bn
* make isBN a static property
* progress commit -- swap out bignumber.js for bn.js
* Swap out bignumber for bn in vendor
* Change modn to number return
* Start to strip out units lib for a string manipulation based lib
* Convert codebase to only base units
* Get rid of useless component
* Handle only wei in values
* Use unit conversion in sidebar
* Automatically strip hex prefix, and handle decimal edge case
* Handle base 16 wei in transactions
* Make a render callback component for dealing with unit conversion
* Switch contracts to use bn.js, and get transaction values from signedTx instead of state
* Get send transaction working with bn.js
* Remove redundant hex stripping, return base value of tokens
* Cleanup unit file
* Re-implement toFixed for strings
* Use formatNumber in codebase
* Cleanup code
* Undo package test changes
* Update snapshot and remove console logs
* Use TokenValue / Wei more consistently where applicable
* Add typing to deterministicWallets, fix confirmation modal, make UnitDisplay more flexible
* Clean up prop handling in UnitDisplay
* Change instanceof to typeof check, change boolean of displayBalance
* Fix tsc errors
* Fix token row displaying wrong decimals
* Fix deterministic modal token display
* Handle hex and non hex strings automatically in BN conversion
* Fix handling of strings and numbers for BN
* add web3 fixes & comments
* Display short balances on deterministic modals
* add more tests, fix rounding
* Add spacer to balance sidebar network name
* Fix tsc error
* 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