git mv *.hint -> README.md

There is one exception:

    $ find . -name '*.hint' -execdir git mv '{}' README.md \;
    git statufatal: destination exists, source=1992/albert/albert.hint, destination=1992/albert/README.md

Looking at the two files they differ quite a bit so I've not changed it.
I'll bring this up on GitHub.

1996/eldby/README.md

@@ -0,0 +1,24 @@
+Best Output:
+
+    Thor AAge Eldby
+    European Technology Partner
+    Roedtvetvn 20                (Home address)
+    0955 OSLO
+    Norway
+
+
+Judges' comments:
+
+    To use:
+	make eldby
+	./eldby 
+
+    We were impressed by the author's ability to render spheres in 3D 
+    in a very small chunk of code.
+
+
+Selected notes from the author:
+
+    This program shows flying spheres. The program eats CPU on lesser
+    equipt systems. The program will run until termination. Terminal 
+    must be vt100 or better with 80 columns and 24 rows or more.