New features:
- information box with information texts, credits & contact information
- language settings (German or English translation)
- JSON-options, where one can find all the IFS's information, download, change it, or upload JSON to load old IFS-s
Changes:
- new font
- new button icons
- left-side buttons do not vanish anymore but become transparent if no rect is selected
- consistent ui design (for boxes, options, editable text, ...)
- matrix-options work fluently now & check whether input matrix is valid
- added real title