Typ2Legend::XPM: also support for line XPMs
Typ2Legend::XPM: trailing comma is now accepted, but optional
typ2legend.pl refactoring and improvements

Now using Typ2Legend::XPM. Also, $item is now an (internally defined)
Typ2Legend::item object.

New option -noprefer15.

Tooltips for day vs. night images.

Improved Pod.
misc/Makefile: added typ2legend targets

Also, the garmin zip file now contains the map legend, and README
documents this.
miscsrc.t test fix: skip directories