added a shell script which can be used to delete the api action steering

table. This may be necessary if the api is called by remote command and
the recordings are not used. Then they can be deleted frequently by
calling this clear command using a cron job

bin/clearapi.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+cd "`dirname $0`"
+./apicall.sh "/Tables_p.html?table=api&deletetable=all" > /dev/null