Remove uses of calc to pass validation.
Make contact.php pass validation.
Make index.php pass validation. Add alt attribute to img generated by category partial.
Fix undefined index errors on rental page. Created message if users try to access page without being logged in.
Fix validation error in products.php since h3 couldn't be child of span in category partial.
Fix another validation error in sign_up.php. Missing action on sign up form.
Fix validation error in sign up page. Labels weren't for the correct inputs.
Escape ampersands in SKAT link.
Properly closed p tags on faq page. Changed to unordered lists.
Merge pull request #27 from kaspth/validation-fixes

Make site validate.