0.52

Updates:

upgrade_only_mode - Checks to see if permissions are a promotion before updating. Only applies update if the change is an elevation of privilege (i.e. Viewer -> Editor)

simple_user_loader.rb - A simpler loader that skips the template generation step

update_user_attributes.rb - A script to bulk update standard and extended attributes such as Department, CostCenter, Default Workspace/Project, TimeZone.