Setup parameters

[jhnnsnk]

• [x] restructure for more clarity
• [x] move "choose file" button to top
• [x] LFP only for binned data, remove for raw data, update changes in test data files for generation of configuration files
• [ ] add textarea for file name of LFP, update changes also in test data files for automatic generation of configuration files
• [ ] design? "welcome to VIOLA" ;-)
• [x] license -> Use LPGLv2
• [ ] documentation how to use it, increase usability of the UI
• [ ] define data type as a string to be used as labels in the views