Fix 57 2

• add url
• add Imagefiledialog
• materials can be saved
• add possibility to move a file (if all saved inside the same file)
• remove patch
• add option to load project after material definition
• make sure configuration work for .cfg files
• make sure configuration work for .h5 files
• set back third party from freeart.configuration
• add test from pymca reconstruction
• create two virtual envs. One with freeart and one without
• set back script test