UI tweaks

#190

![screen shot 2014-07-25 at 11 08 47 am](https://cloud.githubusercontent.com/assets/6219591/3703825/a14de344-140d-11e4-8937-591b6d4e260c.png)

We can probably replace the word Animate in the navbar with an icon though I can't think of any that register mentally as animate. Lightning bolt? That's one way to make an inanimate object come alive.

To be completed: targeting/jumping to objects in canvas highlights their name in panel.