Added links to Bens passenger stack project and video

README.txt

@@ -2,6 +2,8 @@
 
 http://redartisan.com/2008/5/27/sprinkle-intro
 http://github.com/crafterm/sprinkle
+http://github.com/benschwarz/passenger-stack
+http://www.vimeo.com/2888665
 
 == DESCRIPTION:
 
@@ -205,7 +207,7 @@ and Git (via source with dependencies from APT):
 
     end
 
-Please see the examples directory for more complete examples of Sprinkle deployment scripts.
+Please see the examples directory for more complete examples of Sprinkle deployment scripts, and also the Passenger Stack github page and video by Ben Schwarz (http://github.com/benschwarz/passenger-stack and http://www.vimeo.com/2888665 respectively).
 
 Sprinkle is a work in progress and I'm excited to hear if anyone finds it useful - please feel free to
 comment, ask any questions, or send in any ideas, patches, bugs. All most welcome.