-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: Also reserve cargo after refit
-Codechange: save the station and cargo a StationCargoList belongs to in the list
-Feature: load and unload cargo according to plan given by linkgraph
-Codechange: change autorefit decision algorithm to take next hop into account.
-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
-Add: help texts for settings