evalLog road test: let road/rail crossing count as road

git-svn-id: http://micropolis.googlecode.com/svn/trunk@847 d9718cc8-9f43-0410-858b-315f434eb58c
cleanup: remove no-longer-used isFire()

git-svn-id: http://micropolis.googlecode.com/svn/trunk@848 d9718cc8-9f43-0410-858b-315f434eb58c
cleanup: remove no-longer-used isRadioactive()

git-svn-id: http://micropolis.googlecode.com/svn/trunk@849 d9718cc8-9f43-0410-858b-315f434eb58c