Add a tiled gopher handler demo.
Add a tiled gopher handler demo.

DramaFever/golang.org-x-net,cmars/tools,cmars/tools,albertjin/golang-net,cmars/tools,albertjin/golang-net,golang/net,cesanta/goxnet,raboof/net,cesanta/goxnet,cmars/tools,DramaFever/golang.org-x-net,raboof/net,gomini/net,gomini/net