simpleran: use jsonschemas
- 
Use jsonschemas recipe  - 
Fix all wrong usages of $refs in json files  - 
Support ORS Brute (currently manual patch is needed)  - 
Publish configuration file in monitor folder: some clients want to see all RAN parameters  - 
Define state of requested instances: to try to prevent monitor instance stuck in stop requested state  - 
Fix not being able to update ssb_nr_arfcn for ORS  - 
Fix core network buildout crashing when no websocket frontend is there yet  - 
Use new slapos toolbox for GPS promise: slapos.toolbox!156 (merged)  - 
Add Core Network Local DNS Entry to JSON Schema