adding readme file to caputure the version numbers of the binaries

Author: Krishna-Vutukuri

Generated.Azure.Common.Helpers/Net45/readme.txt

@@ -0,0 +1,7 @@
+# Version numbers and the source of these binaries.
+
+Microsoft.Rest.ClientRuntime.dll	2.3.2	https://www.nuget.org/packages/Microsoft.Rest.ClientRuntime/2.3.2
+Microsoft.IdentityModel.Clients.ActiveDirectory.dll 2.18.206251556	
+Microsoft.Rest.ClientRuntime.Azure.dll	3.3.2	https://www.nuget.org/packages/Microsoft.Rest.ClientRuntime.Azure/3.3.2
+Newtonsoft.Json.dll			6.0.8	https://www.nuget.org/packages/Newtonsoft.Json/6.0.8
+Microsoft.Rest.ClientRuntime.Azure.Authentication.dll	2.0.0-preview	https://www.nuget.org/packages/Microsoft.Rest.ClientRuntime.Azure.Authentication/2.0.0-preview