Fixing onos-setup-karaf to always generate tablets.json and cluster.json config files without having to specify 'clean' option.

Change-Id: I23b4d86fb5bdfd5e93a0d7fa8e18de8ecdbc2bee
diff --git a/tools/test/bin/onos-setup-karaf b/tools/test/bin/onos-setup-karaf
index e0886cf..9cf4318 100755
--- a/tools/test/bin/onos-setup-karaf
+++ b/tools/test/bin/onos-setup-karaf
@@ -94,19 +94,17 @@
         $KARAF_ROOT/lib
 fi
 
-if [ ! -d $STAGE/config ]; then
-    echo "Creating local cluster configs for IP $IP..."
-    mkdir -p $STAGE/config
-    cat > $STAGE/config/cluster.json <<EOF
+echo "Creating local cluster configs for IP $IP..."
+[ -d $STAGE/config ] || mkdir -p $STAGE/config
+cat > $STAGE/config/cluster.json <<EOF
     { "ipPrefix": "$SUBNET.*",
       "nodes":[ { "id": "$IP", "ip": "$IP", "tcpPort": 9876 }]}
 EOF
 
-    cat > $STAGE/config/tablets.json <<EOF
+cat > $STAGE/config/tablets.json <<EOF
     { "nodes": [ { "ip": "$IP", "id": "$IP", "tcpPort": 7238 }],
       "partitions": { "p1": [ { "ip": "$IP", "id": "$IP", "tcpPort": 7238 }]}}
 EOF
-fi
 
 echo "Setting up hazelcast.xml for subnet $SUBNET.*..."
 cp $ONOS_ROOT/tools/package/etc/hazelcast.xml $KARAF_ROOT/etc/hazelcast.xml