ipfix - propose new variables (ipfix template refresh rate) to control init by ipfixprobed

The description of new variables was added into link0.conf.example:
    TEMPLATE_REFRESH_RATE

Author: SiskaPavel

init/ipfixprobed

@@ -70,7 +70,7 @@ if [ -e "$CONFFILE" ]; then
    if [[ $UDP == "yes" ]]; then
         UDP_PARAM="udp";
    fi
-   output="-o ipfix;host=${HOST:-127.0.0.1};port=${PORT:-4739};id=${LINK:-0};dir=${DIR:-0};${UDP_PARAM}"
+   output="-o ipfix;host=${HOST:-127.0.0.1};port=${PORT:-4739};id=${LINK:-0};dir=${DIR:-0};${UDP_PARAM};template=${TEMPLATE_REFRESH_RATE:-300}"
 
    exec /usr/bin/ipfixprobe "${dpdkinput[@]}" $input $storage $process $output
 else

init/link0.conf.example

@@ -174,3 +174,5 @@ PORT=4739
 # Use UDP yes/no? (instead of TCP)
 UDP=yes
 
+# Export ipfix template every N seconds (UDP)
+TEMPLATE_REFRESH_RATE=300