Patch by Lesath: usage of "," in simplify-way.max-error
(all the numbers in "," in preferences are considered = 0) 

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5780 0c6e7542-c601-0410-84e7-c038aed88b3b
Merge branch 'master' into mirror