File renamed for easier recognition

This file has been renemad to jscript_dynamic_price_updater.php
created to contain defines

Created to contain the modules defines, and to make the module
multilingual
defines moved to language file
Multipple changes

changed code to comply with Zen Cart standards
Files added to make DPU configurable throuh the admin pannel
temp file with admin defines, that need to be put in the database
files for the sidebox

The sidebox is now a through sidebox, configurable through the admin
panel.
It is no longer created dynamically, the contents ofcourse still is,
saving time and resources
Multiple changes

Dynamic build up of the sidebox removed
Defines moved to language files