Update custom action and support MSIFASTINSTALL property

Signed-off-by: Stuart Preston <stuart@chef.io>

resources/msi/source.wxs.erb

@@ -20,6 +20,13 @@
 
     <Media Id="1" Cabinet="Project.cab" EmbedCab="yes" CompressionLevel="high" />
 
+    <!--
+      Take advantage of Windows Installer 5.0 feature (if available) to disable 
+      checkpointing and other costings that take significant amounts of time 
+      ref: https://msdn.microsoft.com/en-us/library/windows/desktop/dd408005(v=vs.85).aspx
+    -->
+    <Property Id="MSIFASTINSTALL" Value="7" />
+
     <!--
       Uncomment launch condition below to check for minimum OS
       601 = Windows 7/Server 2008R2.