Release 1.7

Summary of on-device changes:

• Support for Modbus connected Grundfos pumps
• Support for Regin / Corrigo pulse based power meters
• Support for Regin / Corrigo water & energy metering
• Support for online datasources via apifetcher
• Reworked SCADA mode for supplying units with updated data from online sources
• Improved command/control latency by using on-device IPC