Copy changes of a all prestashop 1.4.11 to a new 1.5.6

Need copy same personal funtions and changes of my old prestashop 1.4.11, to the new Prestashop 1.5.6 Is a little tasks, and only need the same... - Options for to print personal labels in backend, order admin - Insert a module of php in a url, and make "invisible" a specific products - Insert a products slider (with the new style), in the index of the new web - install propertly a module - Recreate a wrong tpl for products details Remenber that all this task is now working in the old prestashop, and only need actualize to the new template. I can pay the work for tasks. When you finish a task, I pay this..