Simplifying example2
Adjusting example2

This is for testing the extract_alembic
extract_alembic

inital commit
select_transform

initial commit
Changing family to demo.alembic
The reason is that demo.model is being used in The Guide as an example, and it's important that the output of instances published with demo.model to remain the same. Let's occupy new families for future plugins.

Other changes:
- Removing unused variables and commented-out code
Merge pull request #1 from mottosso/tokejepsen

Changing family to demo.alembic
Merge pull request #12 from tokejepsen/master

Alembic extractor and Transform selector