function analyzejshint(sources, jshintrc) {
    return gulp
        .src(sources)
        .pipe(plug.jshint(jshintrc))
        .pipe(plug.jshint.reporter('jshint-stylish'));
}
Execute JSHint on given source files
@param  {Array} sources
@param  {string} jshintrc - file
@return {Stream}