refactor helper methods from documents_helper, projects_helper and user_helper into display_name in model user.rb- cukes and rspec passsing.
added specs for testing first/last name with white space and empty fields. cukes and rspec tests passing
Merge pull request #151 from coloradobum/refactor_helper

Great job guys!
Merge pull request #152 from AgileVentures/develop

Pushing to Staging