Changed the views, so it shows a list of the parsed subjects.
More changes on the model.

Year is renamed to AcademicYear, meaning things like '2012-13'. It refers to the time where the course took place.

The field year on DegreeSubject refers to the course (freshman, sophomore…)

Names are tricky to get right.
Starting esup parser command.

This will take care of creating the DegreeSubject instances and the Class instances.

Right now only tests that the links with the data are correct.

All the data sources are hardcoded into a dictionary, stored on _esup_timetable_data.py