iOS SDK 13.0

Airship SDK 13.0 is a major update that splits the SDK into modules.

Apps can continue to use a single Airship framework in basic integration scenarios, but as of SDK 13 it is now possible to create custom integrations by selecting feature modules. Most of the changes in this release reflect the restructuring that makes this possible.

For details and breaking API changes, see the Changelog and Migration Guide on Github.