* Move hiyaCFW content from dsi.cfw.guide
* Change installing page titles
* Fix links to hiya pages
* Move antivirus notice to alert
* Use colons in headings
* Update troubleshooting.md
Also adjust page title <hr> a bit
* Use liquid comments and minor wording change
* Make sidebar index be separate from page list
* Remove step to uncheck install TWiLight box
* Rename from installing-hiyacfw to installing