Complete Project Views Documentation for all three flavors of RAVE

Please update https://github.com/Riverscapes/RaveAddIn/blob/master/docs/views.md with instructions for

- [ ] RAVE Users for how to use them in all three flavors of RAVE
- [ ] RAVE Curators (i.e. for @Riverscapes/riverscape-project-curators  to know how to author Project Views)