(svn r7628) -Fix: [YAPF] suppress 'Train is lost' message if pathfinding ended on the first two-way red signal due to yapf.rail_firstred_twoway_eol option.

(svn r7626) -Fix r7600: [OSX] building release dmg files no longer includes console.txt, since we don't have that file anymore (this made dmg building fail)
-Cleanup: [OSX] removed the link files since they aren't needed and broken anyway

(svn r7625) * Change debian packaging version to support proper upgrading from/to release versions.

(svn r7624) -Fix (FS#470): Also install openttd.32.bmp on make install, used as window icon by SDL (to be ported to 0.5).

(svn r7623) - Fix: [YAPF] trains/roadvehs trying to enter the bridge ramp from under bridge rail/road (introduced by bridge merge r7573)

(svn r7622) -Codechange: Convert some more windows to ShowQuery. This includes the depot
sell-all popup, quit/abandon game. The language files committed in r7619 go with this.

(svn r7621) -Codechange: Rework ShowQuery into a general modal popup window. It gets passed
a parent pointer which will be blocked as long as the popup is open. This
applies to newgrf-apply, heightmap warning, genworld progress.

(svn r7620) -Fix: [OPF] signal update was incorrectly propagated:
- through incompatible rail types
- from under bridge track to the bridge ramp (peter1138)
- same for tunnels (from track on top of tunnel entry to the tunnel)

(svn r7619) -Feature (Internal): Add support for modal children. It's a window-child that
will block activity for the parent window until the modal popup is dismissed.

(svn r7618) -Feature: Add support for a parent<>child relationship in Window terms. A child
is a window whose parent pointer is non-null. Deleting the parent cascades deleting
the children as well; children first.