Fix deprecated RSpec syntax.
Bump the patch version, update history
Added signature for changeset 8ccc787daf98
Added tag v2.1.2 for changeset 9d74b7350452
Add a .default_config method to objects with Configurability.
Bump the minor version, update history.
Added signature for changeset 7ecaadfcf254
Added tag v2.2.0 for changeset faab12f4b26b
Update to RSpec 3.0.0
Fix an ordering bug in the top-level specs
Bump the patch version and update History.
Added signature for changeset ead70de30aea
Added tag v2.2.1 for changeset acc63bf3cabf