Avoid confusion: Linux -> GNU/Linux in org.dyndns.sven_ola.debian_kit

Android is also based on Linux, which makes the description confusing.
Added donation links.
Merge branch 'debian-kit' into 'master'

 Avoid confusion: Linux -> GNU/Linux in org.dyndns.sven_ola.debian_kit

Android is also based on Linux, which makes the description confusing.

See merge request !403
Merge branch 'master' into 'master'

Added donation links for de.jkliemann.parkendd

See merge request !405