Tweaks to intro graf

Oddly longer, but seems a little punchier.
Bit less apologetic
Made link between tools and list more explicit
Tighten description of what will happen

(You might want to keep the "This homepage is a placeholder" message,
but I think it's implied elsewhere)
No need to drop disillusionment into people's heads!

It's okay, even if they *are* disillusioned you can still snap 'em out
of it!
A sillier list of people to help

I went a bit further with your "bands, philosophers" line. Take or leave
it!
A few more suggestions on how to help
I thought "sign the petition" sounded better than "sign a petition"
Merge pull request #9 from dannyob/gh-pages

Some text edits for the placeholder