Add PiSRF node - reads SRF05 (or 04) Ultrasonic range module

hardware/PiSrf/nrsrf

@@ -0,0 +1,16 @@
+#
+# Copyright 2015 IBM Corp.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+BASEDIR=$(dirname $0)
+sudo python -u $BASEDIR/nrsrf.py $@