For house number processing evaluate addr:street and mkgmap:street after and not before the style is applied

This allows to change the value of addr:street tag e.g. by regular expressions to fix common abbreviations etc.

git-svn-id: http://svn.mkgmap.org.uk/mkgmap/trunk@3310 25d90789-57f7-4ee0-8453-03a3dfeeeb22