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Update IterationRequirements.md
Update IterationRequirements.md
Changed course access and course classes

Modified the course access to the database so that courses can be added
to the database based on a course objected, and modified in a similar way.
Updated the course class to match the functionality required in the
database access. Fixed some errors in AssistantAdmin.java arising
from previous changes.
Further updates to database access

Modified activity access and the activity class to manage creation
of activities based on objects. Also modified the Activity class
to match the changes made to DB access classes. Fixed some minor
formatting and commenting issues as well.
Modified masterframe for button greying
Small modification to activity access