osmapa.pl is dead, causes error in JOSM integration tests

org.openstreetmap.josm.gui.preferences.map.TaggingPresetPreferenceTestIT.testValidityOfAvailablePresets fails because of this link:

INFO: GET https://raw.githubusercontent.com/zibik/stork_nests/master/stork_preset.xml -> 200 (1.65 kB)
INFO: GET http://osmapa.pl/bociany2014/favicon.png -> !!!
 => KO

Can you please use a reliable icon?
