Add last import times for easier import cleanups
Convert scrapers to use last import time.
Update json fetcher to handle bad data
Ignore exams without a type code from xml source.
Update lecture API -> semester matching
Update web scraper to use http://www.ntnu.no/studier/emner/ for courses
Fix date handling corner case
Add ITK/UKA baner so I don't have to dig it up every year.
Merge branch 'master' of github.com:adamcik/plan
Update requirements for Django
Remove vim typo
Improve rendering of crowded tables
Make table height more consistent
Add support for scrapping a sub-set of courses.

This allows for greatly simplified debugging of missing courses.
Improve missing json response error logging
Pull out API base URL
Ensure we handle getting sent straight to the correct room
Remove cookie migration/striping
Add dns-prefetch hint
Switch to simpler analytics loading