•  Matthew Haas updates to core common projects b048046
  •  Matthew Haas forgot to stage common projects under a projects/ subdirectory. Fixing 882e8ee
  •  Matthew Haas adding common/ directory for common projects across classes, adding ntr1 project, genericizing current common projects 0420eb4
  •  Matthew Haas all spring2026 course homepages ready 23b780a