Implemented some error handling in try_get_file() and load_layers() in order to solve [bug 2410 (#2410)]. Rev: server/base_server/configuration.pike:1.520 Rev: server/base_server/prototypes.pike:1.51 Rev: server/base_server/roxen.pike:1.797 Rev: server/etc/modules/LazyImage.pmod/module.pmod:1.7 Rev: server/modules/graphics/cimg.pike:1.50 Rev: server/modules/graphics/gbutton.pike:1.95