Added Server.connection.
Added Server.connection.

git-svn-id: 8ae5e15d65361bcdbb028978cec75ffb0512bb2d@1372 af276e61-6b34-4dac-905b-574b5f35ef33

pivotalexperimental/js-test-core,pivotalexperimental/js-test-server,pivotalexperimental/js-test-server,pivotalexperimental/js-spec-server,pivotalexperimental/js-test-core,pivotalexperimental/js-spec-server