Make test scripts callable from any path

testing/start-testing

@@ -1,9 +1,11 @@
 #!/bin/bash
 
-. $PWD/scripts/function.sh
+DIR=$(dirname `readlink -f $0`)
+. $DIR/testing.conf
+. $DIR/scripts/function.sh
 
 NETWORKS="vnet1 vnet2 vnet3"
-CONFDIR=$PWD/config/kvm
+CONFDIR=$DIR/config/kvm
 KNLSRC=$BUILDDIR/$KERNEL/arch/x86/boot/bzImage
 KNLTARGET=/var/run/kvm-swan-kernel
 HOSTFSTARGET=/var/run/kvm-swan-hostfs