+2010-01-10
+ * added new element "from_level_template" which is replaced by element
+ from level template at same playfield position when loaded (currently
+ not accessible from level editor, but only used for special Sokoban
+ level conversion when using "special_flags: load_xsb_to_ces")
+ * added special behaviour for "special_flags: load_xsb_to_ces": global
+ settings of individual level files are overwritten by template level
+ (except playfield size, level name, level author and template flag)
+