fix routing errors: coordPOI_v2.patch + small changes in javadoc

git-svn-id: http://svn.mkgmap.org.uk/mkgmap/trunk@2736 25d90789-57f7-4ee0-8453-03a3dfeeeb22
don't print debug output to stdout

git-svn-id: http://svn.mkgmap.org.uk/mkgmap/trunk@2737 25d90789-57f7-4ee0-8453-03a3dfeeeb22