V1.0

* New text for the home page
* Announcement
* Extracted install instructions from getting started

/cc @alco @ericmj please review!
> ... run concurrently, using all resources in your machine ...

1) Running concurrently doesn't imply better resource usage by default.
2) Instead of the abstract resources we can refer directly to CPU cores.

I would rephrase this to something more like the following:

> ... run in parallel, [in most cases] using all available CPU cores