Move abilities to a sepatarate top level directory

diff --git a/app/models/ability.rb b/app/abilities/ability.rb
similarity index 100%
rename from app/models/ability.rb
rename to app/abilities/ability.rb

diff --git a/app/models/capability.rb b/app/abilities/capability.rb
similarity index 100%
rename from app/models/capability.rb
rename to app/abilities/capability.rb

diff --git a/test/models/abilities_test.rb b/test/abilities/abilities_test.rb
similarity index 100%
rename from test/models/abilities_test.rb
rename to test/abilities/abilities_test.rb

diff --git a/test/models/capability_test.rb b/test/abilities/capability_test.rb
similarity index 100%
rename from test/models/capability_test.rb
rename to test/abilities/capability_test.rb