[semp] New openHAB SEMP Service

[Markinus]

This service implements the SEMP protocol for openHAB. This protocol is a SMA protocol used for controling of devices depending on the sun's state.

Features:

UPNP automatic discovery
Full SEMP Support

Installation:

After the activation of this plugin and the configuration of the consumer(s) the upnp service will start immediately. After some minutes you can start a device search in the SMA Sunny Portal. It will detect the device(s) and you will be able to add it to your device list.

Documentation:
See the READMÉ file.

Testing:
Tested with different users

[Markinus]

This PR is replacing the #6416. Now it's on the 2.5.x branch.

[TravisBuddy]

Travis tests were successful

Hey @Markinus,
we found no major flaws with your code. Still you might want to look at this logfile, as we usually suggest some optional improvements.

[Markinus]

Hi @cweitkamp, could you review this PR? Greetings

[openhab-bot]

Automatic code migration to openHAB 3 succeeded.

The resulting code can be found at https://ci.openhab.org/job/openHAB-Addons-Migration/63/artifact/bundles/.

You can download the migrated code from there and create a new PR against the master branch of the openhab-addons repo to contribute it for being included in openHAB 3.x.

Please see this issue about the details on how to proceed with your existing PR.

[kaikreuzer]

Closing this PR as it is not in a mergeable state. Please follow the instructions to port this PR to the main branch for openHAB 3.