Moves text.
Adds making an entrance monitor.
Improves language.
Reorders items.
Moves Preamble to Getting Started section
Shortens menu items.
Switches to relative cross-references.
Restructures content.
Adds file format reference.
Adds entrance monitor reference.
Fixes typos.
Fixes link.
Adds flight activity detection tutorial.
Clarifies use of backslash in example commands.
Adds flight activity detection templates.
Adds detail.
Updates text.