With the style panel we added a `page` css class alongside the `phb` and `phb3` classes so users can write CSS that targets all pages no matter the base CSS loaded. This wasn't applied to the print page.
Funnily enough, the rest of the site uses `.page` just to display the website, and I didn't realize there was a conflict until now because otherwise, the brew is usually hidden in an iFrame.
- Updates Vitreum to v6.0.1 + some custom fixes.
- Stylesheets must be imported with `require('./sheet.less');` but can also can now share stylesheets between jsx components.
- Should eliminate a lot of security concerns with older nested dependencies.
- Changed a lot of files to make this work
- Also removes dependency on PicoRouter in favor of React-Router
