Updating page to hit the What, Why and How
Updating page to hit the What, Why and How

Trying to create a less technical introduction and to quickly answer the What, Why, and How.  Trying to get links to our tutorial and "try me" tools up front.
slateci/slateci.github.io,slateci/slateci.github.io,slateci/slateci.github.io,slateci/slateci.github.io