change up2date location
We happened quite frequently to have an up2date failing, particularly when doing it in a Active/Passive UTM Cluster, because /var/up2date/sys is full.
It happens when gpg image is being uncompressed.
The most raging point is that there are many other mountpoints with GBs of space remaining.
There should be a way in a gui (there seems to be already possible with auisys.plx) to move the location of the Up2date files and working folders, so that update jobs don't fail with "no space remaining"