removed bps logo from header
Moving #header from layout to views
Format `last_updated_at` in serializer
Setup StudentList backbone view
added currentStudentName to #header
removed button for default map styles
Update 'Last updated' value

Refactored MapView and how it is rendered and rerendered. Merge StudentList into
Mapview#renderHeader().
update logo
render list of students in header
setup toggle student names
update switching between students
Get buses spec passing (with SSL disabled)
Update selenium-webdriver