Update 1992/kivinen

When I started the program I noticed that it ends very quickly. Yusuke
Endoh provided a patch that calls usleep(). I felt that this was too
slow so I added a macro at the Makefile, Z, default 15000, so one can
reconfigure it. Thank you Yusuke!

I also noticed that when starting the game it moves towards the right
and then exits. Yusuke pointed out that if you click the mouse it moves
back towards the centre. I added this to the bugs.md file. Thank you
Yusuke!

Fixed formatting of README.md file.

bugs.md

@@ -504,6 +504,12 @@ This program crashes. This will be worked on in the near future.
 This entry will crash without enough args (2). At this time this is not
 considered a bug to fix so it should not be fixed.
 
+## [1992/kivinen](1992/kivinen/kivinen.c) ([README.md](1992/kivinen/README.md))
+## STATUS: known bug - please help us fix
+
+When you start the program everything starts to move over to the right side and then ends. 
+[Yusuke Endoh](/winners.html#Yusuke_Endoh) pointed out that if you click the
+mouse it takes it back towards the centre but this should probably be fixed.
 
 
 ## [1992/lush](1992/lush/lush.c) ([README.md](1992/lush/README.md))