Initial attempt at safer way to show username in welcome message. May deprecate forcingAuthentication on the client side.
Resolves Issue #27
Deleted some unnecessary auth code.
Fixed login issues. forceAuthentication() MUST be called before the request is initiated, or  will contain htmlspecialchars() values.
Initial code dump for addOrder() fix. After this is fixed, then the places that access the order also need updated.
Initial attempt at Admin-side order model fix.
Fixed one more problem with the model.
Fixed a host of bugs and syntax errors.
Fixed some of the problems in viewing purchasing history, client-side.
Fixed undefined variables in order_info.
Added link to sysaid ticket from order_info.
Partial fix for viewing recurring transactions.
Initial code dump for fixing admin-side order_info.
Fixed some bugs and undefined variables in the new code.
Initial fix for order/invoice
Fixed a couple bugs in invoice generation.
Initial code dump for fixing order form. >.<
Fixes some of the bugs introduced in the last commit.
Fixed undefined variable in sale/order_form.
Cleaned up the nav drop-downs some.