Bug fixes. Moved generator and test database to PhysicsSolver2 directory. Appears to be working completely now. Core project files have been replaced with database generated pendulum activity. Still need code for integration of activities into main activity list, but database entry has been added for each activity. Activity entries now include a 4th entry which is the title of the activity in the main screen. Although the generation works for this activity, the codebase was already setup to have an activity there, and by that name, so there may still need to be work done annotating random other source files for each new activity, because java.