Refactored closure to separate line
Added grade struct
Added test for grades parser
Grade parsing implemented, requires further testing
Added assignments page with lots of data to TestData folder
Renamed test data file
Tests failing with no assignments
Tests passing for the cases with no assignments
Created ClassCell class
Implemented setClass for ClassCell
Created ViewControllers for timetable
Merge branch 'bjornorri' into timetable
Merge branch 'bjornorri' into timetable
Merge pull request #6 from OrangeJam/bjornorri

Classes are now in the datastore
Implemented data source functions for TimetableTableViewController
Added empty class and storyboard for grades table view
Added grades cell subclass
Added getGrades method to datastore
Now also parsing grades in getAssignments function. Needs more betterness
Fixed bugs introduced by swift changes