Partially revert "concept animatable" changes

This should close out issue 42

Generated from:

commit ddb8e521f9614ad642094d2c70a6421f423a240c
Author: Brian Birtles <birtles@gmail.com>
Date:   Fri Dec 26 15:35:27 2014 +0900

    Partially revert "concept animatable" changes

    This should close out issue 42

commit 27cca00601c0989beb57a36fd4a40ea1cf5f428c
Author: Brian Birtles <birtles@gmail.com>
Date:   Fri Dec 26 15:32:22 2014 +0900

    Fix ID