Now checking MySQL port after every action.
Not passing MycnfFile to agent now.

Can get it from mysqld directly.
Simplifying rpc_server to be agent methods.
More work towards moving rpc code.

Now rpc_server_bson.go can move, I think.
Refactoring server side of tabletmanager rpc.
Another refactor of tabletmanager structures.
Now moving gorpc tabletmanager client.
Moving tabletmanager client to its own lib

Most dependencies for clients are now clean, they don't
include server code.
Merge branch 'master' of github.com:youtube/vitess