Empty last parameter lead to warnings if other strings are empty.

fiji_setup: do not add extra line break to error messages if validation fails when saving configurations

Adresses issue #39

Adresses issue #39

Addresses issue #33.

from resource calculation

Use it to launch the documentation in fiji_setup

Images.

Set application name for Gnome
Only allow to select Fault Models actually present in HW in download tool.
Beautify run.

Reapplied Beautify script

Logging to textbox in fiji download GUI
Added demo test configuration file

Added logging to Tk::Text widget

Added Button to validate/select Net Drivers for FIUs
Added MenuBar, TODO: decide if we use this

Added GUI features for fiji_setup: Choose port names, choose drivers upon save, validate drivers.
Added driver type and path to INI files.

Regs are calculated, LUTs are estimated by multiplying the Regs in the respective entity
with an experimentally determined min and max factor.

 - get rid of backend store in FIJISettingsViewer
 - simplify overall function design and data structures
 - re-validate GUI elements on new data (settings or net lists)
 - warn before overwriting existing file in all cases
 - fix preliminary autocomplete (some remaining pre-existintg bugs in CompleteEntry.p)

This allows to present the user with a meaningful message in the main window.