Configure Allen from TCK

Before the VdM scan we should implement configuration of Allen using the metadata repository and storing the respective TCK in the raw data.

I think the most straightforward way to implement this would be to store the JSON files we currently have in the repository and allow access to them with a TCK. The JSON can then be obtained from the repository already in Python when configuring the production application and passed as a string into the Allen event loop, where a C++ JSON object can be parsed from the string.

Registering a JSON file to the metadata repository should be very straightforward and only need a bit of extra python code to get the HLT1 decision IDs from the JSON and update the "tck" property of the algorithm that creates the DecReports.