I listed what I thought are remaining tasks for P1 (based on our class discussions) for each role across the teams. See http://unhmwebappsdevel.wordpress.com/assignments/p1/.
Read also the class notes wiki. It has more information about the diagrams and mockups (where to store them in the code base and how to have them presented in the RAD/SDD documents). See “Use case diagram”, “User interface mockups”, and “Subsystem decomposition”. DB designers can find more examples and notes in “SQL Scripts”.
Bottom line, the database must work after the SQL scripts are run or the dbInstall.php/dbInstallSandbox.php are run. An important use case must be implemented and demonstrated. Use case descriptions and mockups give the user a good understanding of the functionality of system. The wiki is well organized. The applications are staged and demonstrate a first prototype.