protect all additons to maintenance

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5834 8aca7d54-2c30-db11-9de9-000461428c89
FIX: remove error message and ensure halt names after loading are unique

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5835 8aca7d54-2c30-db11-9de9-000461428c89
FIX: Infinite loop crashes in some cases.
FIX: Possible network desync
CHANGE: Add saving of float32e8_t type variables
FIX: Save convoi_t::v, failing to do which will cause network desyncs (this does not solve the network desyncs issue, however).
downgrade error level when reading menuconf.tab, use default values

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5836 8aca7d54-2c30-db11-9de9-000461428c89
Avoid division by zero
Add missing initialization
CHANGE: Remove stray use of floating point arithmetic
FIX: Crash after terraforming on site of former station in some cases
Merge branch 'devel' of git://github.com/BerndGabriel/simutrans-experimental.git into devel
CODE: Downgrade an to a warning a logged error when a depature time booking could not find the station from which the convoy departed.
Added: watching the maximum required size of the ANode array.
Merge branch 'devel' of git://github.com/jamespetts/simutrans-experimental.git into devel
- Added: a second ANode array for use in route extensioning in waggon_t::ist_weg_frei()
- Added: nodes array size depends on world dimensions now and is deleted with the world.
- Fixed: wegbauer used nodes array after releasing it.
Prepare for release

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5837 8aca7d54-2c30-db11-9de9-000461428c89
FIX: close all windows on exit before destroying map

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5838 8aca7d54-2c30-db11-9de9-000461428c89
remove unused member variable

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5839 8aca7d54-2c30-db11-9de9-000461428c89
FIX window behavior for main toolbar heigth greater than 32

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5840 8aca7d54-2c30-db11-9de9-000461428c89
FIX: call was private, but needed to be public (why only hauki complained?)

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5841 8aca7d54-2c30-db11-9de9-000461428c89
FIX: crash when opening windows before pakset was loaded

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5842 8aca7d54-2c30-db11-9de9-000461428c89