Completes #1.

- Adds Pressure Transmitter on Analog 1
- Updates device driver for reading Analog 1
- Updates device driver to store scaling parameters in persist.json
- Increments version to 11
- Adds migration script to convert from using SQLite scaling storage
- Updates HTML Templates
- Updates README

driverConfig.json

@@ -1,10 +1,10 @@
 {
+    "version": 11, 
+    "driverFilename": "flow-monitor.py", 
     "s3BucketName": "flow-monitor", 
+    "name": "flowmonitor", 
     "additionalDriverFiles": [
         "utilities.py", 
         "persistence.py"
-    ], 
-    "name": "flowmonitor", 
-    "version": 9, 
-    "driverFilename": "flow-monitor.py"
+    ]
 }