A way to add arrows to lines

For things like troup movements or explorer paths, allow the user to add an
"arrow head" to the end or beginning or (even in the middle) of the line to
indicate that the line is a directional line.  

See
http://www.concharto.com/search/eventsearch.htm?_tag=cook's+first+voyage&_maptyp
e=0

http://en.wikipedia.org/wiki/File:Cook_Three_Voyages_59.png

Original issue reported on code.google.com by frank.sa...@gmail.com on 17 Jan 2009 at 9:39

sanmi / concharto

A way to add arrows to lines #17