added import tree to grunt file and package.json. Allows for stylus to import whole folders, rather than individual files
added media queries file because you can't natively use variables in a media query with Stylus (weird bug)
added fonts and minor changes to other variables
added initial nav css
changed variable names for media queries
refactored to add meta tags (for responsiveness) and consolidated search and add link under a nav tag
updated changes to css