collapsing DSL concerns into single module
removing use of ActiveSupport::Concern
removing use of class_attribute
removing use of extract_options!
removing use of try
removing use of ActiveSupport::TestCase
fixing tests
removing blank/try
removing hash/keys and module/introspection
removing use of delegate
removing active_support and use of Appraisals
remove Hash extensions
reorganize a bit
Merge pull request #32 from appfolio/remove_active_support_dependency

Remove active support dependency