modify README
modify README

chyingp/grunt-inline,tmcdonnell87/web-resource-inliner,YuHuaiChen/web-resource-inliner,TimWillis/grunt-inline,jrit/web-resource-inliner,RyuuGan/web-resource-inliner,RyuuGan/web-resource-inliner,JoshuaKimble/grunt-inline,DavidTPate/web-resource-inliner,YuHuaiChen/web-resource-inliner,DavidTPate/web-resource-inliner,JoshuaKimble/grunt-inline,jrit/web-resource-inliner,circlingthesun/grunt-inline,DveMac/grunt-inline,TimWillis/grunt-inline,marcusklaas/grunt-inline-alt,hidde/grunt-inline-alt,DveMac/grunt-inline,hidde/grunt-inline-alt,tmcdonnell87/web-resource-inliner,yisbug/grunt-inline,yisbug/grunt-inline,chyingp/grunt-inline,marcusklaas/grunt-inline-alt