add common init for default refresher
add common init for default refresher

Yalantis/PullToRefresh,sekouperry/PullToRefresh,pangyunxiu/PullToRefresh,entotsu/PullToRefresh,bluesea/PullToRefresh,daisuke310vvv/PullToRefresh,entotsu/PullToRefresh,entotsu/PullToRefresh,pangyunxiu/PullToRefresh,jindulys/PullToRefresh,bluesea/PullToRefresh,beoliveira/PullToRefresh,jindulys/PullToRefresh,beoliveira/PullToRefresh,pangyunxiu/PullToRefresh,bluesea/PullToRefresh,sekouperry/PullToRefresh,jindulys/PullToRefresh,Yalantis/PullToRefresh,daisuke310vvv/PullToRefresh,daisuke310vvv/PullToRefresh,beoliveira/PullToRefresh