BDL 1.0.2

(known internally as version 3)
- changed extraction.vb to globals.vb
- added about screen.
- added a small summary about each source port.
- created function for deleting old ZIPs when re-downloading.
- changes code for ListBox selection to work with arrow keys as well as
mouse.
BDL 1.0.3

- fixed media player to work. It uses the WMP libraries, so that will be
included in the next binary release.
- converted IWAD finding code into smaller functions.