Add more Greek translation from the pull request, which was to the incorrect file. Commiter is gkagg.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
Add strings file for v9.2.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
According to master 9.2

This time nothing for Christian Goellner`s System Monitor except the name?
Merge pull request #27 from gaich/patch-2

According to master 9.2
Update French translations