(svn r24883) -Fix: a completely emptied vehicle could trigger an assert
(svn r24884) -Update from WebTranslator v3.0:
greek - 35 changes by Evropi
icelandic - 45 changes by Stimrol
indonesian - 8 changes by fanioz
latvian - 17 changes by Parastais
portuguese - 6 changes by fspinto, neuralshock
slovak - 7 changes by Romop5
(svn r24885) -Fix: Pass proper UTF-16 strings instead of UCS-2 to ICU in order to preserve characters outside the BMP.
-Feature: record capacities of links
-Add: basic linkgraph
-Add: demand calculation for linkgraph
-Add: MCF solver for linkgraph
-Add: flow mapper for linkgraph
-Feature: allow vehicle transfer and profit text effects to be displayed at the same time
-Add: multimap implementation with guaranteed order between equal keys
-Feature: reserve cargo for loading vehicles in distinct lists and thus don't recount it in every loading round
-Codechange: save the station and cargo a StationCargoList belongs to in the list
-Feature: load and unload cargo according to plan given by linkgraph
-Add: abstract implementation of linkgraph overlay for GUI
-Add: legend for linkgraph overlay
-Add: linkgraph overlay over main viewport
-Codechange: refactor the smallmap to prepare for linkgraph overlay
-Feature: linkgraph overlay for smallmap
-Feature: consider cargo waiting at other stations for rating at the origin station
-Feature: show cargo by next hops and final destinations in the station GUI