Email casing issue

[tac08005]

If the emails coming from the Student Admin roster are not uppercased (rare, but it does occur in edge cases), then the script will not match them appropriately.

The fix is to uppercase all emails when creating the dictionaries in get_roster_dictionaries. The fix is demonstrated below (and I've also uppercased the netIDs just in case. Snippet is from lines 19-22 of ParticipationHelpers.py

...
    for index, row in df.iterrows():
         netIDs_to_emails[row[netID_col].upper()] = row[email_col].upper()
         emails_to_netIDs[row[email_col].upper()] = row[netID_col].upper()