v3.3.0: Various changes, drops support for Zen Cart < 1.5.5

This release contains changes associated with the following GitHub issues:

#5: zc156, calendar displays off-screen
#6: Correct various PHP Notices.
#8: Correct error when specific products/customers indicated, but no list supplied.
#9: Add a setting to exclude orders-status values.
#10: "Remember" the admin's selection for 'Open report in new window'.
#11: Convert javascript to jQuery.
#12: Convert HTML to HTML5.
#13: Use the customer's name from the order, not the customers table.