Added login function and subdict helper function.
added .gitignore and initial files/links to bikes,stations,users
removed david's wsgi file
created initial view all template for bikes, stations, and users
altered view all bikes and users tables
added single bike, station, user pages
Added basic single bike page
added basic single user page
added icons and inserted them into index
re-added annomalies, footer, fixed responsive spacing on dropdowns