[WIP] Wizard apply

- [ ] show confirmation message after each step.
- [ ] combine new api key and new marketplace form into one (or use two different routes)
- [ ] implement modal with deep linking
- [ ] update CSS
- [ ] add api key confirmation modal
it looks like there are a lot of places where you're doing url construction. 

have you considered centralising this into a helper so you do not need to continue concatenating strings like this?

e.g. 

`return this.getApiConnection().post(HREFS.api_keys)`

and have the `HREFS` obj take care of constructing an href appropriate fro the environment