clip id to x & y example

Id is global, changing all other axis attributes

![screen shot 2014-04-01 at 16 06 26](https://cloud.githubusercontent.com/assets/5793128/2582611/2c53edea-b9c7-11e3-91bd-136276865bfd.png)
![screen shot 2014-04-01 at 16 12 58](https://cloud.githubusercontent.com/assets/5793128/2582635/6fa54562-b9c7-11e3-9cf6-60dbea3a58b3.png)


This is now specific to the single chart, not interfering with other sizes.
![screen shot 2014-04-01 at 18 57 33](https://cloud.githubusercontent.com/assets/5793128/2582614/30e5713a-b9c7-11e3-8258-e949ac166737.png)
![screen shot 2014-04-01 at 16 13 18](https://cloud.githubusercontent.com/assets/5793128/2582637/7574e380-b9c7-11e3-92e2-2584879b1afe.png)