Added 'owner' for tracked ways
Improved error handling
Added per history view
Completely redesigned tracked way page
Added weekday names to calendar
Improved logging, fixed local problems with scheduled tasks
Switched to postgres
Made histories 'active'
Refactored api modules
Renamed 'start_time' field to 'dep_min_time'
Added track filters by min & max departure/arrival time
Added 'bootstrap-switch'
Added basic subscription functionality
Added scheduled tasks cleanup
Added breadcrumbs
Moved poller startup to async task
Fixed detail link column
Added breadcrumbs for ways
Made tracked way page display days left for each departure date
Fixed tests