add agent sensor capacity, hddtemp script in agent-local as demo, possibly needs a little more work

git-svn-id: http://www.observium.org/svn/observer/trunk@3213 61d68cd4-352d-0410-923a-c4978735b2b8

scripts/agent-local/hddtemp

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# hddtemp sensor readings
+# needs hddtemp daemon listening on (at least) localhost
+# requires netcat to be installed and in the path
+# (c) 2012, Tom Laermans for Observium
+
+echo '<<<app-hddtemp>>>'
+nc localhost 7634
+echo