update college footers - add instagram and google plus
update css for college links

remove active state and add hover state
add hover state to footer links
update lcc footer (local prototype only)
build/
bugfix - strange dark bg on mobile nav dropdowns
bugfix: left navigation on course pages

see trello card: https://trello.com/c/7iondlqg
build/ folder
add tab:focus state to main nav - tabbable keyboard access
add fallback conditional code for ie8 - main nav
update college footer icons (4cols)
merge branch main-nav-updates with footer-icons
BugFix: update fitHeights calls to use .each()
merge left-nav-bugfix branch with master
remove build folder after pull merge from artslondon/site master
Merge pull request #425 from denovo/master

Sprint 6: updates to main nav (highlighting & tab access) and footers