updating reference to Microsoft.IdentityModel.Clients.ActiveDirectory in Commands.TrafficManager2.Test project

Author: mumou

src/ResourceManager/TrafficManager/Commands.TrafficManager2.Test/packages.config

@@ -12,7 +12,7 @@
   <package id="Microsoft.Bcl" version="1.1.9" targetFramework="net45" />
   <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
   <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net45" />
-  <package id="Microsoft.IdentityModel.Clients.ActiveDirectory" version="2.12.111071459" targetFramework="net45" />
+  <package id="Microsoft.IdentityModel.Clients.ActiveDirectory" version="2.14.201151115" targetFramework="net45" />
   <package id="Microsoft.Net.Http" version="2.2.28" targetFramework="net45" />
   <package id="Microsoft.WindowsAzure.Management" version="4.0.1" targetFramework="net45" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />