Deposit system

This deposit system is similar to the one they use here on themeforest (and other envato sites)

It includes

* A deposit system ofcourse

* Deposit history

* PDF generation for individual deposits or complete list of deposits

* Switch between sandbox and paypal

* Advertising page (user can extend existing advertisements, this is also an example page from what you can do with this deposit system)

* Simple functions to call important database information