Z/Changes from Version 0.12.2 to Version 0.12.3

Release Date: 10.02.2011
 * all
 * License update to GPL v3+
 * verbose "--version" option concerning license
 * fixing a lot of compiler warnings
 * dfrouter
 * generate plain vehicles instead of emitters
 * duarouter
 * c-Logit Model implementation
 * Simulation
 * tweaks to gap computation to avoid collisions
 * Added two further departpos-values, " pwagSimple " and " pwagGeneric " which try to achieve a higher flow. See: Definition_of_Vehicles,_Vehicle_Types,_and_Routes
 * removing person-related deadlocks
 * improving vehicle routes output
 * TraCI
 * please note that the encoding of a vehicle's angle has changed, see Vehicle_Values
 * SUMO-GUI
 * corrected vehicle's angle (was ticket#430)
 * Clipboard works under Linux