Merge pull request #963 from rachel-fenichel/bugfix/blocks_object_annotation

Annotation fix

core/blockly.js

@@ -27,7 +27,7 @@
 /**
  * The top level namespace used to access the Blockly library.
  * @namespace Blockly
- */
+ **/
 goog.provide('Blockly');
 
 goog.require('Blockly.BlockSvg.render');

core/blocks.js

@@ -27,6 +27,11 @@
 /**
  * A mapping of block type names to block prototype objects.
  * @name Blockly.Blocks
- * @type {!Object<string,Object>}
  */
 goog.provide('Blockly.Blocks');
+
+/*
+ * A mapping of block type names to block prototype objects.
+ * @type {!Object<string,Object>}
+ */
+Blockly.Blocks = new Object(null);