Updates the site with new content for 2.0

Cuts down the first page to only describe WHAT Ice is, then splits the
rest of the content over 3 pages.

Getting Started: Instructions on how to set up Ice

Emulators: Download location/instructions for bigger name emulators.
This includes sample configurations for getting the emulators set up on
each platform

FAQ: Frequently asked questions about Ice, including (most importantly)
common errors that people receive and how to solve them.