Added skeleton framework for API guide.

@Cilph, @erendrake: any work on the guide should use this as the starting point.
Documented all RemoteTech settings except for `GroundStations`.
Made tutorials prettier.
Reformatted settings guide.

@Cilph, I think I understand everything in the options file except for the ground station Guid. Does this field have any requirements other than uniqueness?
Dummy commit

Trying to unblock site compilation
Various style tweaks.
Merge branch 'gh-pages' of https://github.com/Starstrider42/RemoteTech into gh-pages
Upgraded omni network tutorial from 3 satellites to 4 satellites.

Partially addresses Starstrider42/RemoteTech#4.
Clarified computer guide. Fixed Starstrider42/RemoteTech#18.

In addition, moved discussion of time quadrant from computer guide to overview guide, making the former more focused.
Clarified wording.
Fixed up "first satellite" tutorial.
Create long_range.md
Update long_range.md
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Moved settings file from Modding to Player's Guide
Fixed bad format for nested list