fix all examples to conform with yuidoc example syntax

remove all markdown code syntax for replacement with yuidoc
example indenting (4 spaces)
the markdown syntax was not generating code blocks correctly

defer api docs before change
![rsvp](https://f.cloud.github.com/assets/514063/1698542/2cbac8bc-5f54-11e3-991c-357eecb89359.png)

defer api docs after change
![rsvp](https://f.cloud.github.com/assets/514063/1698540/26d8302e-5f54-11e3-854e-2c428e101309.png)