(svn r26741) -Revert (r26736): reverse_iterators are invalidated when the element next to them is erased (not the element they are pointing to), which makes them unsuitable for ScriptList.
(svn r26742) -Doc: Why reverse_iterator is unsuitable for ScriptList iterators
(svn r26743) -Codechange: Simplify ScriptList iterators.
(svn r26744) -Fix [FS6085-ish]: ScriptListSorterItemDescending::FindNext failed to detect the end.
(svn r26745) -Codechange: Deduplicate calls to CreateEffectVehicleRel for vehicle visual effects.
(svn r26746) -Codechange: Separate enums for visual effect type and spawning model.
(svn r26747) -Feature: [NewGRF] Advanced visual effects with multiple effect sprites independent of spawning model.
(svn r26748) -Merge: documentation updates from 1.4 branch
(svn r26749) -Update from WebTranslator v3.0:
afrikaans - 47 changes by telanus
hungarian - 50 changes by Brumi
(svn r26750) -Update from WebTranslator v3.0:
belarusian - 47 changes by KorneySan
finnish - 22 changes by jpx_
(svn r26751) -Update from WebTranslator v3.0:
croatian - 47 changes by VoyagerOne
english_AU - 50 changes by mrtux
finnish - 25 changes by jpx_
korean - 1 changes by telk5093
polish - 50 changes by wojteks86
(svn r26752) -Update from WebTranslator v3.0:
korean - 1 changes by telk5093
(svn r26753) -Fix: desync due to not always properly restoring game state from the savegame
(svn r26754) -Update from WebTranslator v3.0:
catalan - 9 changes by juanjo
(svn r26755) -Fix (r26747) [FS#6093]: Silence MSVC warning.
(svn r26756) -Fix (r26747): Ground vehicle breakdown smoke was not supposed to be available yet, since it is a looping animation.
Allow drawing dropdowns with scrollbars above the widgets.
Also add an assert when no single item of a dropdown can be drawn.
Simplify follow_track.hpp.
Separate an assertion.
Clarify vehicle_enter_track in rail_cmd.