os: rename Evbufentry to Trace_event in Trace_fs
base: rename Evbufentry to Trace_event in Registry
base: rename Evbufentry in Trace_buffer
base: add Trace_point to RPC-server
base: add Trace_point to RPC-client
base: add Trace_point to signal
base: add Trace_point_rpc funcs to trace header
base: add missing trace header
ports: add noux trace_fs run-script