finished gui interface for simple image background subtraction
Building programming skeleton for background image subtraction
Finished working on Offset and scaling implementation in GUI
Background filename is now shown on bottom of image
Background data is now always loaded as float data, to ensure that there is now type problem when subtracting ---
previously there were overflow errors...
Merge branch 'feature/image_background_subtraction' into develop
checking for shape of images now when loading background and new files...