Patch 2.20-03

It fixes potentional hang of storage agent processes (data collection suddenly stops).
Install it on the top of v2.20.

Download link: stor2rrd-patch-2.20-03.tar

Installation:
tar xvf stor2rrd-2.20-03.tar
cd stor2rrd-2.20-03
./install.sh
cd /home/stor2rrd/stor2rrd
./load.sh
Refresh the UI when it finishes (Ctrl-F5)