Documentation Updates:

- Modify redis readme with better introduction sentence regarding pods.
- Modify openshift readme with standard option ordering, and update for newer `start` options usage.
- Add gitignore to prevent user settings inadvertently being staged.

examples/redis/README.md

@@ -9,7 +9,7 @@ This example assumes that you have a Kubernetes cluster installed and running, a
 This is a somewhat long tutorial.  If you want to jump straight to the "do it now" commands, please see the [tl; dr](#tl-dr) at the end.
 
 ### Turning up an initial master/sentinel pod.
-is a [_Pod_](http://docs.k8s.io/pods.md).  A Pod is one or more containers that _must_ be scheduled onto the same host.  All containers in a pod share a network namespace, and may optionally share mounted volumes.
+What is a [_Pod_](http://docs.k8s.io/pods.md)?  A Pod is one or more containers that _must_ be scheduled onto the same host.  All containers in a pod share a network namespace, and may optionally share mounted volumes.
 
 We will used the shared network namespace to bootstrap our Redis cluster.  In particular, the very first sentinel needs to know how to find the master (subsequent sentinels just ask the first sentinel).  Because all containers in a Pod share a network namespace, the sentinel can simply look at ```$(hostname -i):6379```.