add engine name to log file name

demo/cube/Cube.cpp

@@ -21,7 +21,8 @@
   generate documentation from comments, get resource function, automatically
   update animations, add arguments list to animation call, queue multiple calls
   to animation, print list of chunk and music decoders available, allow nodes
-  that aren't connected to root, add imagemagick to library, add curl to library
+  that aren't connected to root, add imagemagick to library, add curl to library,
+  fail if command line flag is unrecognized
 
   :) SWEATY HANDS :) OILY SNACKS :) AND BAD HYGIENE :)
 

src/Configuration.cpp

@@ -89,8 +89,8 @@ void Configuration::set_defaults()
         {"debug-to-stdout", false},
         {"debug-to-file", false},
         {"ouput-directory", "."},
-        {"info-file-name", "log.txt"},
-        {"debug-file-name", "debug_log.txt"}
+        {"info-file-name", "space_box_log.txt"},
+        {"debug-file-name", "space_box_debug_log.txt"}
     };
     sys_config["configuration"] = {
         {"auto-refresh", false},