Merge branch 'feature/report-notes' into 'develop'

CHANGELOG.md

docs/API/admin_api.md

lib/pleroma/activity.ex

lib/pleroma/moderation_log.ex

lib/pleroma/pagination.ex

lib/pleroma/report_note.ex

lib/pleroma/web/activity_pub/activity_pub.ex

lib/pleroma/web/activity_pub/utils.ex

lib/pleroma/web/admin_api/admin_api_controller.ex

lib/pleroma/web/admin_api/views/report_view.ex

lib/pleroma/web/router.ex

priv/repo/migrations/20191203043610_create_report_notes.exs

test/moderation_log_test.exs

test/web/admin_api/admin_api_controller_test.exs

test/web/admin_api/views/report_view_test.exs