Now the following changes are incorporated into the openHAB release (PR#5833):
Bugfixes:
- Handle empty list of items properly.
- HTTP/JSON communication.
- Aborting connection after sending error.
- Firmware revision properly returned.
- Close connections during binding shutdown/removal.
- String representation and handling of ip addresses.
- Invalid use of myJsonBridge eliminated in case of LAN/WLAN config.
- Initial refresh of data for item added, handling of BRIDGE_REFRESH_MSECS fixed.
- Refresh only readable items.
Enhancements:
- Adapted logging (more infos, less warnings).
- More detailed configuration in README added.
- More information during actuator state modification for debugging.
- Intensive logging for recognition of Somfy devices.
- Optional handling for inversed actuators.
- Eliminating usage of org.apache.commons.lang.StringUtils.isNotBlank.
- Proper handling of unknown config items.
- More infos about debug settings in README.
- More infos in loglevel trace.
- Provide infos about WLAN config.
- Better error handling for unknown scenes (virtual rollershutters).
- handling bad serial numbers (Somfy).
- New channel timestamp for retrieving the last successful communication time.
- New channel: reload action for retrieving all infos from bridge.
Final note: The comments for activation with OH2 are removed as there is a good documentation available at distribution doc.
Thanks to everyone for your support with questions, trace files and a lot of patience 
.