Fix expired certificates in samples

Author: unknown

Release/samples/BlackJack/BlackJack_UIClient/BlackJack_UIClient_TemporaryKey.pfx

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Package xmlns="http://schemas.microsoft.com/appx/2010/manifest" xmlns:m2="http://schemas.microsoft.com/appx/2013/manifest">
-  <Identity Name="64521d51-da30-445f-ba7b-d79f27cf8c7c" Publisher="CN=stgates" Version="1.0.0.0" />
+  <Identity Name="64521d51-da30-445f-ba7b-d79f27cf8c7c" Publisher="CN=casaserv" Version="1.0.0.0" />
   <Properties>
     <DisplayName>Blackjack Client</DisplayName>
     <PublisherDisplayName>Microsoft Corporation</PublisherDisplayName>

Release/samples/BlackJack/BlackJack_UIClient/Package120.appxmanifest

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Package xmlns="http://schemas.microsoft.com/appx/2010/manifest" xmlns:m2="http://schemas.microsoft.com/appx/2013/manifest">
-  <Identity Name="2b173277-f2a9-4af1-905b-0da25a731def" Publisher="CN=stgates" Version="1.0.0.0" />
+  <Identity Name="2b173277-f2a9-4af1-905b-0da25a731def" Publisher="CN=casaserv" Version="1.0.0.0" />
   <Properties>
     <DisplayName>FacebookDemo</DisplayName>
     <PublisherDisplayName>Andy</PublisherDisplayName>