doc: update AUTHORS list
Update AUTHORS list using tools/update-authors.sh
Is Guilherme Souza <sitegui@sitegui.com.br> the same person as Guilherme de Souza <gui_souza@me.com>? / @sitegui / #1493
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Update AUTHORS list using tools/update-authors.sh
Is Guilherme Souza <sitegui@sitegui.com.br> the same person as Guilherme de Souza <gui_souza@me.com>? / @sitegui / #1493