QuickMagic menu: Progress on customize criteria dialogs
QuickMagic menu: more or less full functionality for Customize Criteria.  However, available choices may not be correct (i.e., the list of available statistics)
QuickMagic menu: add picture of zeq_magic and fix minor issues here and there
QuickMagic step 3: add up and down arrow options for exiting the grid cell editor (modeled after Excel)
make sure spd int_n and n stats are integer, not float.
QuickMagic step 3: make sure all the drop-down menus are sorted alphabetically
QuickMagic: add initial prototype for validator class
QuickMagic: no redirect for stdout/stderr