Merge remote-tracking branch 'upstream/master' into py2_py3_straddle

Conflicts:
	python/google/protobuf/descriptor_pool.py
	python/google/protobuf/internal/api_implementation_default_test.py
	python/google/protobuf/internal/cpp_message.py
	python/google/protobuf/internal/descriptor_database_test.py
	python/google/protobuf/internal/descriptor_pool_test.py
	python/google/protobuf/internal/descriptor_python_test.py
	python/google/protobuf/internal/descriptor_test.py
	python/google/protobuf/internal/generator_test.py
	python/google/protobuf/internal/message_factory_python_test.py
	python/google/protobuf/internal/message_factory_test.py
	python/google/protobuf/internal/message_test.py
	python/google/protobuf/internal/proto_builder_test.py
	python/google/protobuf/internal/python_message.py
	python/google/protobuf/internal/reflection_test.py
	python/google/protobuf/internal/service_reflection_test.py
	python/google/protobuf/internal/symbol_database_test.py
	python/google/protobuf/internal/text_encoding_test.py
	python/google/protobuf/internal/text_format_test.py
	python/google/protobuf/internal/unknown_fields_test.py
	python/google/protobuf/internal/wire_format_test.py
	python/google/protobuf/pyext/descriptor_cpp2_test.py
	python/google/protobuf/pyext/message_factory_cpp2_test.py
	python/google/protobuf/pyext/reflection_cpp2_generated_test.py
	python/setup.py
	ruby/lib/google/protobuf/message_exts.rb

2 files changed, 5 insertions, 0 deletions

diff --git a/csharp/keys/Google.Protobuf.public.snk b/csharp/keys/Google.Protobuf.public.snk
new file mode 100644
index 00000000..59cd3698
--- /dev/null
+++ b/csharp/keys/Google.Protobuf.public.snk
diff --git a/csharp/keys/README.md b/csharp/keys/README.md
new file mode 100644
index 00000000..1a014198
--- /dev/null
+++ b/csharp/keys/README.md
@@ -0,0 +1,5 @@
+Contents
+--------
+
+- Google.Protobuf.public.snk:
+  Public key to verify strong name of Google.Protobuf assemblies.
\ No newline at end of file