Major restructuring/adding as the form object and graphic object are
added to the Lua system.  Almost everything Lua related has touched.
Here are some highlights:
* Form object added (collection of UI widgets)
* Graphic widget added (for pictures and such)
* Character Choice screen added (was MAINUI.C).
* New main() added to Lua and we now live in the Lua world after startup
* More widget support (button, textbox)
* Fixed issue with bitmaps for mouse pictures
* Sound now has an update routine
* Major textbox work
* More T_byte8 * to const char *
* Even more Lua command support