move model generation to another repository `github.com/cosiner/gotool/genmodel`
move model generation to another repository
`github.com/cosiner/gotool/genmodel`

cw2018/gohper,yyljlyy/gohper,dongritengfei/gohper,snowsnail/gohper,cosiner/gohper,oblank/gohper,ludivicio/gohper,treejames/gohper