The main thread does now serve the CLI input loop.
There's an input loop thread which reads and parses command lines and the infrastructure for registering and executing commands. Currently only "help" and "quit" commands are implemented.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43156 a95241bf-73f2-0310-859d-f6bbb57e9c96