DS Weather Report 0.5

This version 0.4 of DS Weather Report features many improvements: * - Addition of Central Europe, Eastern Europe and North Africa countries. * - More than 3300 cities in the included database (and always more than 40000 cities available by code). * - More cities displayed on the world map. * - Faster world map display, now at 60 FPS. * - And last but not least, faster download time of weather information: a cache is now used on a server, with a duration of one hour. So, the download time of weather data for all the cities is now of 1 minute if the data are not cached, else it's only about 2 seconds!