Tidy up heatmiser node and publish as npm

hardware/heatmiser/README.md

@@ -0,0 +1,35 @@
+node-red-contrib-heatmiser
+==========================
+
+A <a href="http://nodered.org" target="_new">Node-RED</a> node to control and poll a <a href="http://www.heatmiser.com/">HeatMiser</a> thermostat.
+
+Install
+-------
+
+Run the following command in the root directory of your Node-RED install
+
+    npm install node-red-contrib-heatmiser
+
+
+Usage
+-----
+
+###Input node###
+
+Expects a **msg.payload** with a JSON object that contains settings for the Heatmiser thermostat
+
+**msg.payload** can currently be either a heating boost option, or a run mode, as below:
+
+####Heating boost####
+
+    {heating: {target: TARGET_TEMPERATURE, hold: MINUTES_TO_STAY_ON_FOR}}
+
+####Run mode####
+
+    {runmode:"frost"}
+    {runmode:"heating"}
+
+
+###Output node.###
+
+Will read and send a status update at a configurable time interval. This is set to every 30 minutes by default.