Tech Debt: define.amd should be an object

`define.amd` should be at least an empty object. This is defined in the [spec](https://github.com/amdjs/amdjs-api/blob/master/AMD.md).

You can search for `define.amd` in that page to see that one of the options they specify is `{multiversion: true}`.
Merge pull request #2 from williamsbdev/master

Tech Debt: define.amd should be an object