new Users singleton collection class added. Associated UserObject and stepdef code updated to support it.
Fixed the problem inherent in using a global variable in the context of cucumber scenarios (generally a no-no). That fix required changes to several of the UserObject's methods.

Also changed the way several of the exists? methods worked in some data objects, so that the admin user will log in automatically if there isn't a current user.
Building out IRB Protocol-related page objects
Merge branch 'development' of github.com:aheward/kuality-coeus into development

* 'development' of github.com:aheward/kuality-coeus:
  Fixed the problem inherent in using a global variable in the context of cucumber scenarios (generally a no-no). That fix required changes to several of the UserObject's methods.
  new Users singleton collection class added. Associated UserObject and stepdef code updated to support it.
Removed a debug line of code. Moved the $users definition line out of the Before hook, because it doesn't belong in there.
Added new page classes for lookup pages
Added person_lookup page obj file
Merge branch 'development' of github.com:aheward/kuality-coeus into development

* 'development' of github.com:aheward/kuality-coeus:
  Removed a debug line of code. Moved the $users definition line out of the Before hook, because it doesn't belong in there.
Small tweak to After in env.rb
Merge branch 'development' of github.com:aheward/kuality-coeus into development

* 'development' of github.com:aheward/kuality-coeus:
  Small tweak to After in env.rb
Merge branch 'development' of git://github.com/jonutter/kuality-coeus into development
Added a new step def that creates a user with a role in a specified unit.
Added a new step def that creates a user with a role in a specified unit.
Merge remote-tracking branch 'origin/development' into development

Conflicts:
	features/step_definitions/users.rb
removed uneccesary objs from some lookup pages
Merge with AHeward
Refactored code related to instance variables that are collection classes.
Merge branch 'development' of github.com:aheward/kuality-coeus into development

* 'development' of github.com:aheward/kuality-coeus:
  Refactored code related to instance variables that are collection classes.
Created some Award code.
Removed two unnecessary/irrelevant scenarios from irb_create_protocol.feature