User sessions

Added django-widget-tweaks
Created includes folder and added header, sidebar, templates files to clean up base.html
Included signup, singin, signout functionalty
Added Eventbrite API connection and event collection script
Added support for multiple cities.
Parse app stores last city searched, to load that city upon login next.
Isntalled Pyrise (highrise api)
Added "who do you drive for" to signup form.
Added terms of service page.
Added contact form.
Signups connect with highrise.