added robots.txt. beep beep!

Signed-off-by: Daniel Vaughan <dvaughan1616@yahoo.co.uk>
Merge branch 'master' of https://github.com/HerrBen/YRS-2014---Cyber-Duck
Added the .gitignore to prevent a temporary php script from being bounced across, added the About Us for the benefit of Jake, and the humans.txt (unfinished).