* tmp folder now can be set in GUI, so rawprasslib functionality of
reading of the spectra during acquisition is implemented
* file is reloaded and the figures are refreshed upon F5

* solves the annoying default button Qt5 feature

* better input sanitization will be needed someday in future

* Undecided where to keep pushbuttons
* Added verification that mass does not end-up empty

* still preliminary - code is messy there

created function for construction of the tables.