added idea for new event;
event and newspaper idea;
added bath and kitchentable;
rearranged format of image preloading code;
added way too small lowerClassHouseInterior;
added interiorNodes for lowerClassHouse, but actors don't use them, yet.; reorganized zOrder contants in globals;
let actors use the interiors of their home to sleep; TODO they won't leave because there is no crossMap pathfinding;
Pathfinding across multiple maps works now! There are still some edges to refine, but lcWorkers find the way from their bed to work and back!
moved utf8 enc meta tag to top;
let actors leave the house again to do their normal behaviour;
Merge branch 'master' into gh-pages