Changed test to use comma in half-credits float.
Merge branch 'master' of https://github.com/prasopes/DTU-course-mining
Course spider, work in progress.
Added method to list all courses.
Merge remote-tracking branch 'pascal/master'
Fixed course run access.
fix one single line suggested by Vladimir
Merge branch 'master' of https://github.com/prasopes/DTU-course-mining

Conflicts:
	dataanalysis/cal_avg.py
Added scrapy testing utils.
Fixed CourseRun item.
Changed spider import paths to be able to run unit tests on it.
Added unit test for spider + test data.
Moved scraper package to correct place.
Moved storage tests to subpackage. Fixed test data to use english version of grade distribution page.
Fixed spider initialization.
Added PageCounter class. Fixed test.
Grade parsing passes test.
Removed unwanted print.
Evaluation parsing test passes.
Splitted course spider test into three.