[#WIZ-180] listDevices() only needs reload of device map on loadDeviceList(), move it there
[#WIZ-172] Add new HL7 device
[#WIZ-168] Make language selection configurable
[#WIZ-134] Provide a status display for the proxy
[#WIZ-181] Accept an empty value for port numbers
[#WIZ-141] Configuration type is not displayed by default