Enable web connections to test padlet API.  #TODO: Test without web!
(cherry picked from commit 4e81359e7ced446980ca43b1ee3f7331f579048a)
padlet_bookmark_spec.rb : mock wrapper and avoid web requests in tests.
(cherry picked from commit ac381a0625d40889e49829c251f490eb3525646b)
search/_result_item.html.haml : Guard against nil users for materials.

TODO: Make a presentation object for this.
config/environments/cucumber.rb Add 1a8n names to cucumber environment.
search_helper.rb Pass in argument to build_onSearch_message.