[Cin] Varied Standard Shortcuts AppImage version for testing

[Andrea paz]

> Andrea, I did not update the manual and thanks for actual user testing by IgorB and Andrea because for me, it was hard to test. Especially trying to Quit which was a lot easier to use just "q" instead of "Ctrl-Q".
I am not at the PC this weekend; give me time to prepare a table with
the new shortcuts, to put it in the manual...