My site is gone...

I just completely redid my site about 2 weeks ago. Copy and pasted majority of content from my old to new. Don't think this is the issue. Was doing some research and people say something about robot.txt file or something like that, could be redirecting google away or something along those lines.

Could you guys work your magic and try to figure out why my site went from page 2 to no where to be found. (110 one site said)

Hopefully this is an easy fix, but at the moment I'm stumped and...

My site is gone...