add official generators

Fixes #109

One change that should be made is to update the homepages for each repo and point it at its repo or its documentation page/site if/when it has one.

![community](https://f.cloud.github.com/assets/127535/2093711/965dce66-8ebd-11e3-8ed6-fb6b82a04aad.png)
![official](https://f.cloud.github.com/assets/127535/2093712/965e2118-8ebd-11e3-8420-f643e7a3c7b6.png)