Completed removing duplicate goods

I also removed "Wine (liquid)" and updated two ports that were using it.
I am leaving "Agric. Products" which is a duplicate in the original PoC
file.
Continuing removing duplicates

Completed removing port duplicates, plus change in population of
Ras Laffan.
 Removed duplicates of two ships.
Merged 4 BaCo liners into one
Fixed problem in Front Ariake
Further cleanup of duplicate ships

Only Emma Maersk was not duplicate we have both the 1964 tanker and the 2006 container vessel
Updated readme file