Do not use hash to prevent dev server crash
Do not use hash to prevent dev server crash

see https://github.com/webpack/webpack/issues/1914

Signed-off-by: Andy Shu <d9a5ae79e0620530e640970c782273ccd89702f2@gmail.com>

wikimigrate/wikimigrate,wikimigrate/wikimigrate,wikimigrate/wikimigrate,wikimigrate/wikimigrate