Add-On Compatibility support for OsCommerce 2.3.4 BS EDGE versions since September 2016
Allows to use existing Add-Ons with the newest Edge version which have filename and directory definitions removed.
Filename definitins have nbeen removed since EDGE 2016_09_23
Directory definitions have been removed since EDGE 2016_09_10
Support for future versions which will have removed database table definitions is also included.