Description based category is now case-insensitive.
Fixed bug where description categories and plans were not agreeing on how
to categories items.
Updated startscript.groovy to be aware of new changes with events.
Update build script properties.
Added FilteredCategory, filters by arbitrary CategoryFilters.
Started on Util class with code to create charts based on categories.
Fixed ITHelp ticket matching to swallow optional space after "ITHelp:"
Fixed TicketCategory to use it's own addEvent logic instead of inheriting the
default Category implementation.
Updated startscript.groovy to reflect test data for recent changes.
