Refactor: Move all initialization logic out of api_server and into init (#91)

* Zeroconf logging improvements

* Ignore RuntimeErrors in background threads - Prevents issues during shutdown

* Migrate start up code from api_server.py to init.py

* Add error handlers to the API server to handle detached instances

* Integrate RenderQueue eval loop into RenderQueue object

* Silently catch RuntimeErrors on evaluate_queue

* Stop background queue updates in prepare_for_shutdown

server.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-from src.api.api_server import start_server
+from init import run
 
 if __name__ == '__main__':
-    start_server()
+    run(server_only=True)