Default to 'product' if no node type submitted

FIX: "beeColony.productInsert" Modified some text strings.
FIX: "beeColony.productInsert" now properly updates description and weight for existing taxonomy terms.
FIX: "beeColony.orderUpdate" now uses uc_order_update_status() so ubercart can trigger conditional actions.
FEATURE: "beeColony.productInsert" status key to control if product node is published.
NEW: "beeColony.purgeOrphanTaxonomy" new method to delete catalog taxonomy terms with no products.