During the migration the automated script to update the copyright
headers accidentally got rid of some of the existing copyright lines.
Reinstate them.
* Tweak http types in Synapse
AFACIS these are correct, and they make mypy happier on tests.http.
* Type hints for test_proxyagent
* type hints for test_srv_resolver
* test_matrix_federation_agent
* tests.http.server._base
* tests.http.__init__
* tests.http.test_additional_resource
* tests.http.test_client
* tests.http.test_endpoint
* tests.http.test_matrixfederationclient
* tests.http.test_servlet
* tests.http.test_simple_client
* tests.http.test_site
* One fixup in tests.server
* Untyped defs
* Changelog
* Fixup syntax for Python 3.7
* Fix olddeps syntax
* Use a twisted IPv4 addr for dummy_address
* Fix typo, thanks Sean
Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
* Remove redundant `Optional`
---------
Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
