restore composer.json, add mysqli extension

public/vendor/dashboard/gulp-tasks/autoprefixer/css.js

@@ -0,0 +1,10 @@
+var autoprefixer = require('gulp-autoprefixer');
+
+module.exports = function(gulp, callback) {
+    return gulp.src(['**/*.css', '!**/*.min.css'], { cwd: config.destination.css })
+        .pipe(autoprefixer({
+            browsers: config.autoprefixerBrowsers,
+            cascade: false
+        }))
+        .pipe(gulp.dest(config.destination.css));
+};