FIX: loadingscreen queues keystrokes to be processed on resume, and forces a redraw of the ticker. Also disabled the pointer hiding since does not make much sense now.

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6275 8aca7d54-2c30-db11-9de9-000461428c89
FIX: Forward reference to avoid a .h dependency.

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6276 8aca7d54-2c30-db11-9de9-000461428c89
Fix: bug on queuing.

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6277 8aca7d54-2c30-db11-9de9-000461428c89
FIX: Undo last change, was redundant code.

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6278 8aca7d54-2c30-db11-9de9-000461428c89