Add easter mapres from teeworlds

Author: Pointer31

CMakeLists.txt

@@ -1513,6 +1513,7 @@ set(EXPECTED_DATA
   mapres/desert_mountains_new_background.png
   mapres/desert_mountains_new_foreground.png
   mapres/desert_sun.png
+  mapres/easter_0.7.png
   mapres/entities.png
   mapres/fadeout.png
   mapres/font_teeworlds.png

data/mapres/easter_0.7.png

@@ -140,7 +140,8 @@ void CMapImages::OnMapLoadImpl(class CLayers *pLayers, IMap *pMap)
 					!str_comp(pName, "grass_main") ||
 					!str_comp(pName, "winter_main") ||
 					!str_comp(pName, "generic_shadows") ||
-					!str_comp(pName, "generic_unhookable");
+					!str_comp(pName, "generic_unhookable") ||
+					!str_comp(pName, "easter");
 			}
 			str_format(aPath, sizeof(aPath), "mapres/%s%s.png", pName, Translated ? "_0.7" : "");
 			m_aTextures[i] = Graphics()->LoadTexture(aPath, IStorage::TYPE_ALL, LoadFlag);