minor cleanup, and bumped manifest version on 'pod' getting started example

Minor cleanup and a small docs addition.  
However, I also bumped the manifest version to v1beta2 on just the 'pod' getting started example. Brendan, you had said this was now correct, and this worked fine for me. However, maybe we should make a wholesale change to all the examples at once, in which case I can back out of this point change for now.