Release notes for 0.6.0 (GA)

Compiled release notes for all changes between 0.5.0 and 0.6.0.

Suggest that this is *not* merged to master // SNAPSHOT, but held until the 0.6.0 release branch is created.

![0 6 0 release notes](https://f.cloud.github.com/assets/879000/1400881/768ac8de-3ccc-11e3-8d4f-4b6d4365271c.png)