tagging 5.2.6 release
tagging 5.2.5 release
tagging 5.2.4 release
Tagging 5.2.3 release
Add `channel_form_overwrite` config to 5.2.2 changelog
Update AUTHORS.md
Add 5.2.0 changelog
Add 5.1.3 changelog
Update copyright year to 2019 and update company name