Specify acceptable major version for chain reactor server

The client knows the highest major version (currently 0), and will throw
an exception if it encounters a chain reactor server of a different
version.
Set socket timeout (not just connect timeout)
Send more build information to the CR server, rename some keys

"type" has now become "result", and "name" is now "project". There is
also "build", "build_no" and more.
Update README to make sense for this plugin
Add help files, LICENSE and default port

Also remove references to the meme plugin.