Minor typo correction

getting *use* -> getting *used*
Merge pull request #9 from intiocean/patch-1

Minor typo correction
I updated the security section with some more bits.
Merge pull request #10 from adaptivelab/feature/more_security

Feature/more security
Minor typo correction

getting *use* -> getting *used*
I updated the security section with some more bits.
Merge branch 'master' of https://github.com/adaptivelab/adaptivelab.github.com
Return CSS to main site's CSS, update header and footer html to reflect current header and footer on main site
Update external dependency URLs to actually point to external resources.