Allow CORS in graphite api

Connect graphite-api to carbonlink

Fix graphite index path

Increase default number of Carbon workers

Map data directory to a host machine

So what?

Re-emphasize

Forgot newline

Use test.ping as a testing key

Add comments explaining test command

Update starting command in readme

Add usage info to readme

Expose 2003,2004,8126,9126 udp ports too

Add build command too

Add Graphite link to readme and emphasise other names