Add missing instructions re: config.yaml
Run few tests after restarting restbase
Added note that setting up a custom config is optional
Merge pull request #65 from hardikj/master

Run few tests after restarting restbase
Merge pull request #67 from wikimedia/T77899

Add missing instructions re: config.yaml
Add rudimentary mechanism for injecting CORS headers
Move CORS logic out of restbase.js and into server.js