FIX: No modify course assignment link for the group admin.
Backend scripts: Fix a bug in the say() function.
NewAssignment: Add descriptive default values for assignment title
UploadFile: Directory of files is visible only if there are any.
Home: Course assignments listed in group submission table.
Home: Evaluation result is deleted from the submission table.
Fix: Test suite, new submission table info
New View Assignment page.
Home: Colored assignment links in the submission tables