(svn r6047) -Codechange: FOR_ALL now _only_ loops valid items, and skips invalid ones
-Codechange: use IsValidXXX where ever possible
Note: both changes to prepare for new pool system, which needs those changes.
For every pool there are 2 ugly lines, which will be removed when done
implementing new pool system.
Based on FS#13 by blathijs, partly implemented.

(svn r6046) CodeChange : Rename WWT_5 Widget type to WWT_LABEL : a centered label
CodeChange : Move almost all fixed strings from ON_PAINT event to Widget array using WWT_LABEL.
Feature : All "Select Refit Cargo" are now centered, instead of been left aligned

(svn r6045) -Cleanup: align all table-like structures using spaces, i.e. whitespace fixes only except for a few comments to make them uniform for the whole enum/struct.

(svn r6044) WebTranslator2 update to 2006-08-22 15:57:27
danish - 13 fixed by Bjarni (3), trenskow (10)
french - 1 fixed by glx (1)
hungarian - 1 fixed by miham (1)

(svn r6043) -Codechange: use wrapper if they are available

(svn r6042) WebTranslator2 update to 2006-08-21 23:49:18
french - 2 fixed by glx (2)
german - 49 fixed by chu (49)
polish - 1 fixed by meush (1)
portuguese - 3 fixed by izhirahider (3)

(svn r6041) -Fix r6040: forgot to declare a function in viewport.c

(svn r6040) -Add: when clicking twice on a Location Button, the SmallMap centers on your position (based on FS#54 by thomasdev)
-Add: when clicking twice in SmallMap on a position, it centers there (based on FS#54 by thomasdev)
-Add: add a button in SmallMap that centers the SmallMap on your current position (based on FS#54 by thomasdev)

(svn r6039) -Fix: [newGRF] FS#287 Bugfix for error in NewGRF callback 31 code for aircraft (Mart3p)
introduced in rev 5822

(svn r6038) -Codechange: move mousewheel code to event WE_MOUSEWHEEL instead of a general function that handles that
-Codechange: use always 'e' for WindowsEvent, neverr 'we'