PS-77 be more explicit as to where V1 and V2 should be used

This is my solution to being more explicit where particular API versions should be used. These changes will be further clarified when we draw a line (restructuring the menu) between passport and supporter API endpoints.

- [x] peer review
- [x] tested (OK'd by PS team)

I have done this to all example URL's ... this is just an example:

![everydayhero_api__pages_1](https://f.cloud.github.com/assets/486512/1293983/e323ecd0-3071-11e3-8041-544228d9818a.png)
![everydayhero_api__pages](https://f.cloud.github.com/assets/486512/1293982/e27fb408-3071-11e3-9394-9d0a0dca3c90.png)