libclient: added userDel

src/client/cmdUser/userDel.go

src/libclient/login/login.go

src/libclient/response/response.go

src/libclient/template/templateCreate.go

src/libclient/template/templateDel.go

src/libclient/template/templateEdit.go

src/libclient/template/templateExportDisk.go

src/libclient/template/templateList.go

src/libclient/user/userCreate.go

src/libclient/user/userDel.go