FIX: loading screen progress bar updates screen only when actually changed. add missing svn EOL properties

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6470 8aca7d54-2c30-db11-9de9-000461428c89
FIX: no longer require power dest

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6471 8aca7d54-2c30-db11-9de9-000461428c89
More smoother arrival and departure time display

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6472 8aca7d54-2c30-db11-9de9-000461428c89