Update ChangeLog.md

Author: amarzavery

ChangeLog.md

@@ -1,6 +1,9 @@
+### 07/11/2017 0.4.7
+ - Fixed Live validator for reorg branch of azure-rest-api-specs #137
+ 
 ### 07/03/2017 0.4.6
 - Fixed issue #134
 
 ### 06/26/2017 0.4.5
 - Added support to generate wireformat as a YAML doc
-- Improved the format to specify request body for a in a request using curl.
+- Improved the format to specify request body for a in a request using curl.