Consolidate firmware upload troubleshooting tips into a single section.
Also change bullet list character throughout.
* refer to deep dive for info on autodistance setting
* clarify auto-distance setting
* callout auto-distance caution
* include reference for testing distance settings
* update docs for Perl retirement
With the retirement of Perl and the inclusion of tunneling in the base
build, there are several steps and warnings that no longer apply. These
have been removed from the docs.
* add tunnel.wanonly description
* update slider screenshot
Set the trademark macro once as a prolog to all RST files. Reduces the
possibility of error by removing the requirement for the trademark macro
within every RST.
Added Network Design Guide sections, and edited a few Getting Started Guide areas. Both guidebooks are now part of the single existing AREDN documentation repository.