1. Option to load AIF from file.
2. normalization of CBV - now more output maps - with and without normalization.
3. When loading data it shows the files (Dicoms or nii...) themselves (in the dialog box).
Adding some options:
1. Loading AIF from file
2. CBV calculation with and without normalization.
3. Showing the files in the "choosing data folder" dialog box
Merge branch 'master' of https://github.com/guyov1/dce_development