started work on editor state serialization...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

grid-n-view.html

@@ -106,6 +106,7 @@ For more info see: <a href="./README.md">README.md</a>
 			<div>
 				<button onclick="gallery.crop('marked')" title="crop marked">select<sec>crossword</sec></button>
 				<button onclick="gallery.uncrop()" title="uncrop">select<sec>grid_on</sec></button>
+				<button onclick="gallery" title="save crop">crossword<sec>add</sec></button>
 			</div>
 			<div>
 				<button onclick="gallery.toggleQueueRemoval()" title="queue removal (del)">delete</button> 

grid-n-view.js

@@ -1033,6 +1033,17 @@ var Gallery = {
 					img.classList.contains(key)
 						&& (res[key] = true) }
 				return res }) },
+	// XXX add support for .load(..)...
+	editorJson: function(){
+		var data = {
+			varsion: 1,
+			gallery: this.json(),
+		} 
+		// XXX get serilization handlers...
+		var handlers = []
+		for(var handler of handlers){
+			handler.call(this, data) }
+		return data },
 
 	// XXX
 	zip: function(){