Adding a more detailed description of how to send events from views to the controller or router

- Added an example of sending an event
- Added an example of the controller intercepting the event
- Adding an example of the router intercepting the event
- Adding syntax highlighting to variable names, since it seems like the
rest of the docs do this...?
Merge pull request #349 from jkmassel/master

Adding a more detailed description of how to send events from views to the controller or router