Updated Getting Started wizard

Thanks to the amazing feedback from our user testing group, we've tweaked the Getting Started wizard to help new users get setup faster.

Rather than suggesting all users start by adding a fixed amount, and hiding the account/API functionality behind the Configure Portfolio interface, we now allow you to add addresses and accounts directly as part of the signup process:

This uses the same form as the Configure Portfolio page, but you can go through the wizard again if you'd like.