Make it clear that master is headed for iD v2

js/id/id.js

@@ -382,6 +382,6 @@ window.iD = function () {
     return d3.rebind(context, dispatch, 'on');
 };
 
-iD.version = '1.9.6';
+iD.version = '2.0.0-alpha.1';
 
 })();

package.json

@@ -1,6 +1,6 @@
 {
   "name": "iD",
-  "version": "1.9.6",
+  "version": "2.0.0-alpha.1",
   "description": "A friendly editor for OpenStreetMap",
   "main": "iD.js",
   "directories": {