The text concerning monitor size was duplicated between the Operating
Quickstart and the Large_Screens.md file. Remove the former and
replace it with a link to the latter.
Xastir packages in package management systems often lag development by
as much as a release or two, at their best. This means that bug
fixes we've worked our butts off on don't get propagated to binary
packages for a long time --- sometimes years.
Encouraging users to build from source has always been our thing.
Move "Configure-Xastir" to "File-Configure", clean up operating pages
"Configure-Xastir.md" was not about configuring Xastir, it was
documentation of the File->Configure menu. This was a misleading name
and caused more than one person confusion in writing documentation and
linking to it (me included, after a long night of pounding out
documentation).
I renamed it to something that actually reflects the contents of the
file, "File-Configure.md"
Cleaned up the Operating Quickstart and Operating pages to make them
not say things like "we should document that" when we in fact are
documenting it already.
Added text and links concerning using the map window in the Operating
page.
