mini DIGMA 30

Removed xls as it's obsolute, there will be a new one in the future
though.
Update xlsm, changed the order when it checks if the files exist.
mini DIGMA 30 GUI

Created the GUI for miniDIGMA, does not function yet.
mini DIGMA 30 GUI image files

Added the image files for the GUI
mini DIGMA 30

Added functionality to the GUI, but still untested
Merge pull request #2 from willeponken/miniDIGMA_rebuild

Mini digma rebuild