AMD Support

### Description
Unable to load AMI using require.js (AMD).

#### Live Demo
https://github.com/edsilv/ami-amd-test

#### Steps to Reproduce
`npm start`

#### Expected Results
Logs AMI object.

#### Actual Results
Logs `undefined` here: https://github.com/edsilv/ami-amd-test/blob/master/index.html#L17

### Browsers Affected
- [x ] All
- [ ] Chrome
- [ ] Firefox
- [ ] Edge
- [ ] Safari 9
- [ ] Safari 8
- [ ] IE 11

### Versions
- AMI: v0.27.0

Run `npm start` in the linked AMI AMD test and inspect the `index.html` reference at line 17, where the AMI object is logged as undefined. Trace the AMD loading behavior and confirm completion when the page logs the AMI object as expected.

Written by the indexing model from the issue text.