MetaMask Update

This release has an update to handle breaking changes to the MetaMask provider.

Also included is a new wallet module for TokenPocket. You can include TokenPocket in your project with the following wallet initialization object:

{ walletName: 'tokenpocket' }

Changelog:

• Remove hard coded style on account select (#443)
• add TokenPocket wallet (#444)
• Enhancement: MetaMask update (#446)