Grid-Overlay module. (#974)

* Grid-Overlay module

* Added the X and Y for inputs

src/modules/GridOverlay/Module.js

@@ -0,0 +1,50 @@
+
+module.exports = function GridOverlay(options,UI) {
+  
+  var output;
+
+  function draw(input, callback, progressObj) {
+
+    progressObj.stop(true);
+    progressObj.overrideFlag = true;
+
+    var step = this;
+    if (!options.step.inBrowser) { // This module is only for browser
+     this.output = input;
+     callback();
+   }
+   else{
+    var priorStep = this.getStep(-1); // get the previous step to add text onto it.
+
+    function extraManipulation(pixels) {
+     //if (options.step.inBrowser) 
+     pixels = require('./GridOverlay')(pixels, options,priorStep);
+     return pixels
+   }
+
+    function output(image, datauri, mimetype) {
+
+      // This output is accesible by Image Sequencer
+      step.output = { src: datauri, format: mimetype };
+
+    }
+
+    return require('../_nomodule/PixelManipulation.js')(input, {
+      output: output,
+      extraManipulation: extraManipulation,
+      format: input.format,
+      image: options.image,
+      inBrowser: options.inBrowser,
+      callback: callback
+    });
+
+  }
+ }
+
+  return {
+    options: options,
+    draw: draw,
+    output: output,
+    UI: UI
+  }
+}