revert roads_first_v1.patch: did not solve any problem

git-svn-id: http://svn.mkgmap.org.uk/mkgmap/trunk@2588 25d90789-57f7-4ee0-8453-03a3dfeeeb22
Don't print routing warnings in LineSplitterFilter if --route option is not active

git-svn-id: http://svn.mkgmap.org.uk/mkgmap/trunk@2589 25d90789-57f7-4ee0-8453-03a3dfeeeb22