pothos-library: remove dependence on RemoteNode
pothos-gui: remove RemoteNode from remote table and block cache
pothos-library: removed old RemoteNode from codebase
pothos-gui: save metadata about nodes
pothos-gui: remote nodes settings key rename
pothos-library: remote server use prefered kill function
pothos-gui: client test connect default server
Merge branch 'remote_node_work'