Add changelog for NetworkAcl

Author: blueww

src/ResourceManager/Storage/ChangeLog.md

@@ -18,6 +18,13 @@
         - Additional information about change #1
 -->
 ## Current Release
+* Add NeworkAcls support to resource mode storage account cmdlets
+    - New-AzureRmStorageAccount
+    - Set-AzureRmStorageAccount
+    - Get-AzureStorageAccountNetworkACL
+    - Update-AzureStorageAccountNetworkACL
+    - Add-AzureStorageAccountNetworkACLRule
+    - Remove-AzureStorageAccountNetworkACLRule
 
 ## Version 3.1.0
 * Add AssignIdentity setting support to resource mode storage account cmdlets