* Update versions for Release 5.12.0
* Add missing nanopb flag
* Isolate Firestore nanopb messages in C++ namespaces (#2046)
* Add C++ namespaces and use C++ linkage for nanopb-generated sources.
* Regenerate nanopb sources as C++
* Add generated C++ nanopb sources to the podspec
These pods depend on FirebaseCore's interop APIs that were introduced
in FirebaseCore version 5.1. This wasn't picked up before since
CocoaPods automatically matched the largest minor version available but
the podspec should accurately represent the version requirements.
* Add Auth interoperability library.
This allows other SDKs to retrieve the user ID and fetch a new
Auth token in a type-safe way through the Core container.
* Remove unnecessary import.
* Add missing copyright.
* Resolve comments.
- Remove unnecessary umbrella header.
- Move to version 1.0.
- Add tvOS support for app lifecycle changes.
* Move public interop headers to private.
* Add public_header_files too.
* Moved headers back into public.
* Shorten Interoperability and Interoperable to Interop.
* Add AuthInterop to travis linting.
* Fixed tag format in AuthInterop.podspec.
* Add AuthInterop path to Firestore Podfile.
Ryan Wilson