new wshrpc mechanism (#112)

lots of changes. new wshrpc implementation. unify websocket, web,
blockcontroller, domain sockets, and terminal inputs to all use the new
rpc system.

lots of moving files around to deal with circular dependencies

use new wshrpc as a client in wsh cmd

frontend/app/block/block.tsx

@@ -420,7 +420,6 @@ const BlockFrame = React.memo((props: BlockFrameProps) => {
 });
 
 function blockViewToIcon(view: string): string {
-    console.log("blockViewToIcon", view);
     if (view == "term") {
         return "terminal";
     }