Refactor render; Change default port
Procfile for Heroku
Add BASE_URL support since Little Printers hate relative URLs
Only AM & PM views
Use Deadline for AP-style pretty times
Automatically set `baseUrl` on locals of response
Update results page

- Cleaner output (string of all arrivals + detail list)
- Always sort stops by earliest arriving train
- DRY up sort/parse/render
Deadline is published on NPM now
Generate icons (as data URLs) based on selected line
Automatically select all shown line colors
Remove unused methods; reorganize index
cleanup