New version of Build Calculator uploaded giving credit to a new distributer.

BACKBONE has offered to help distribute this program. I have made a small change to the window that opens up when this program is closed that thanks BACKBONE for helping distribute this program and adds a button you can click on to copy the URL to their website. Hopefully with BACKBONE's help this program will gain some popularity. If you have some time check out BACKBONE's website and see what they're up to .