add jshint task
add jshint task

chemdemo/webpack-seed,huanglp47/webpack-bootstrap,Zeratul5/webpack-bootstrap,chemdemo/webpack-seed,chemdemo/webpack-bootstrap,pronebel/webpack-bootstrap,chemdemo/webpack-bootstrap,huanglp47/webpack-bootstrap,pronebel/webpack-bootstrap,Zeratul5/webpack-bootstrap,Zeratul5/webpack-bootstrap,yangcwGIT/webpack-bootstrap,yangcwGIT/webpack-bootstrap,pronebel/webpack-bootstrap,huanglp47/webpack-bootstrap,chemdemo/webpack-bootstrap,yangcwGIT/webpack-bootstrap,chemdemo/webpack-seed