CentOS-promo

• [CentOS-promo] October newsletter: Promo SIG report Rich Bowen
• [CentOS-promo] CentOS Dojo Managua 2019 Rich Bowen
• [CentOS-promo] CentOS Dojo at FOSDEM Rich Bowen
• [CentOS-promo] Call for content: November newsletter Rich Bowen