Fix everybody respawn on the same position bug
Break out generator into functions for mission generation
Build up full skeleton for mission generator classes
Fix strange list box behaviour with duplicate strings
New mission wizard can return a list of required scripts
Add instructions to script selection in mission wizard
Streamline new mission wizard
Auto download missing scripts
Implement download dialog for scripts
Use download dialog in data manager
Fix bug where random date could be the 0th of February
Fix incorrect inclusion of empty init line for units
New Mission Wizard remembers current mission status
Add reset button for new mission setup