Icons
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* Tractor icon by Olivier Guin - under "CC BY 3.0" license
* Globe icon by Nicholas Menghini - under "CC BY 3.0" license
* Speed gauge icon by Márcio Duarte - under "CC BY 3.0" license
* Gear icon by Johan H. W. Basberg - Public Domain (CC0 1.0)
* Arrow icon by Thomas Le Bas - under "CC BY 3.0" license
* Folder icons by Sergio Calcara - under "CC BY 3.0" license
* Trash can icon by Ruben Steeman - under "CC BY 3.0" license
* Floppy disk icon by Cor Tiemens - under "CC BY 3.0" license
* Copy icon part of "Font Awesome" by Dave Gandy - under "CC BY 3.0" license

* All other icons and graphics by Jakob Tischler