[HAWQ-1369] README.md update - Update to include RAT status and external links

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.2.0.0-incubating
• Component/s: Build
• Assignee: Ed Espino
• Reporter: Ed Espino
• Created: 28/Feb/17 17:30
• Updated: 02/Mar/17 08:44
• Resolved: 02/Mar/17 08:44

Description

Updating embedded external CI status images to include the HAWQ-rat project. Additionally, update documentation link to point at open source doc set.

Issue Links

• links to: GitHub Pull Request #1155