2019-04-17: Speaker prep

# Preflight checklist
- [x] Confirm physical location @wetherc 
  - [x] Confirm max occupancy @wetherc 
- [X] Confirm speaker @wetherc 
- [x] Receive abstract & speaker bio @wetherc 
- [x] Post to Meetup
- [x] Post to website
- [ ] Order food and drink @jsarv32 

## Speaker details
  - Presenter: Rehgan Avon
  - Organization: ODG
  - Topic: Achieving ML Operational Excellence
