created list of crop wranglers on the crop wranglers page

Maps to this Tracker story: https://www.pivotaltracker.com/story/show/55863686

The diff includes some additional activity because I accidentally merged master into my branch.  Thanks for the extra patience with letting me finish this story.  
ermagherd, .try is LIFE CHANGING. how did nobody tell me about this before now? \o/

@pozorvlak did you know about this? http://apidock.com/rails/Object/try