del async fix chrome Uncaught ReferenceError: $ is not defined

Signed-off-by: ReZEL Chan <i@geeku.org>
update _config.yml googleplus id Gemfile ruby.taobao.org=>rubygem.org

Signed-off-by: chaos <i@geeku.org>
update domain

Signed-off-by: ReZEL Chan <i@geeku.org>