Ye Ol' π Shack

Updated bwbasic.sh typo and bwbasic.desktop
Change bwbasic.png

after make
sudo make install
addgui will put bwbasic.desktop in users Desktop
DO NOT run as sudo make addgui use
make addgui
fixed typos in Makefile
fixed typo bwbasic.sh
changed dest to /usr/local/bin

* Added a search for profile.bas in Windows
      C:\Bwbasic
 * And Linux
      /usr/share/bwbasic

- Ken UNIX