New footer layout
Updated footer with new links
Bye bye dark mode green :(
Added copyright
Give colour to page titles
Reorganized footer
Change page heading styles
Reorganized footer section headings
About and Team page added
Hook up linkedin profile
Minor url tweaks
Merge branch 'footer'

Conflicts:
	app/scripts/help/templates/help.hbs
	app/scripts/preferences/templates/preferences.hbs
	app/styles/main.scss