upgrade dojo to 1.8.3 (refs #570)

lib/dojo/dnd/common.js.uncompressed.js

@@ -0,0 +1,42 @@
+define("dojo/dnd/common", ["../_base/connect", "../_base/kernel", "../_base/lang", "../dom"],
+	function(connect, kernel, lang, dom){
+
+// module:
+//		dojo/dnd/common
+
+var exports = lang.getObject("dojo.dnd", true);
+/*=====
+// TODO: for 2.0, replace line above with this code.
+var exports = {
+	// summary:
+	//		TODOC
+};
+=====*/
+
+exports.getCopyKeyState = connect.isCopyKey;
+
+exports._uniqueId = 0;
+exports.getUniqueId = function(){
+	// summary:
+	//		returns a unique string for use with any DOM element
+	var id;
+	do{
+		id = kernel._scopeName + "Unique" + (++exports._uniqueId);
+	}while(dom.byId(id));
+	return id;
+};
+
+exports._empty = {};
+
+exports.isFormElement = function(/*Event*/ e){
+	// summary:
+	//		returns true if user clicked on a form element
+	var t = e.target;
+	if(t.nodeType == 3 /*TEXT_NODE*/){
+		t = t.parentNode;
+	}
+	return " button textarea input select option ".indexOf(" " + t.tagName.toLowerCase() + " ") >= 0;	// Boolean
+};
+
+return exports;
+});