#358 - A few more slight improvements to listgrid filtering/sorting
#329 - Allow persistence handlers to specify custom filter mappings
#329 - Additional ArrayUtils method
#358 - Default to a numeric id filter icon
Merge remote-tracking branch 'origin/BroadleafCommerce-3.0.x' into develop

Conflicts:
	admin/broadleaf-open-admin-platform/src/main/java/org/broadleafcommerce/openadmin/web/controller/entity/AdminBasicEntityController.java