Imports code.google.com/p/graphics-go/graphics github.com/astaxie/beego github.com/gorilla/websocket github.com/qiniu/api/io Standard library imports bytes commonPackage commonPackage/model/account commonPackage/model/clouddisk commonPackage/model/meeting commonPackage/model/social commonPackage/viewModel crypto/md5 encoding/binary encoding/hex encoding/json fmt image image/png os service/db strconv strings time website/models website/utils