Commits on Oct 28, 2016

1. Ensure dynamic Buildbot steps have unique names …

   Buildbot requires that each step in a build has a unique name,
   and uses this property to e.g. disambiguate log files.
   By default, each step's name reflect what kind of step it is,
   e.g. `git` or `test`.
   
   Add count suffixes to the end of the step name if there are
   multiple steps of the same type to disambiguate them.
   (Buildbot already does this internally for steps added statically
   in the `setupBuild` method).
   
   This requires checking all previously-added steps for name collisions,
   so add all the steps at one time to amortize this cost.

   

   aneeshusa committed Oct 28, 2016

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