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.

1990/scjones/README.md

@@ -0,0 +1,65 @@
+ANSI Committee's Worst Abuse of C:
+
+	Larry Jones
+	SDRC
+	2000 Eastman Dr
+	Milford, OH 45150  
+	USA
+
+
+Judges' comments:
+
+    The addition of trigraphs has made it easier to make programs 
+    hard to read.  It was a dark and stormy night for C when the
+    ANSI C committee added trigraphs to the standard.  Too bad
+    that they didn't just simply require a more reasonable ISO
+    character set.
+
+    The common.mk (non-ANSI) makefile uses sed to form scjones.alt.c.
+    The scjones.alt.c is similar to the original scjones.c source,
+    but with all the trigraphs converted.  You might want to try:
+
+		make -f common.mk scjones.alt.c
+
+    even if you only have an ANSI compiler, just to see how
+    the trigrapsh are converted.
+
+WARNING: In the future, we will be passing ANSI programs through a
+	 trigraph filter before reading.  Trigraph-ifacation will
+	 not be a major consideration in future contests.  People 
+	 should exploit more interesting features of ANSI C.
+
+
+Selected notes from the author:
+
+    Since this year's contest is dedicated to ANSI C, here is a
+    strictly conforming entry.  In accordance with the ANSI
+    definition of a strictly conforming program it does not produce
+    output dependent on any unspecified, undefined, or implementation
+    defined behavior, and it does not exceed any of the minimum
+    implementation limits.  It adheres to all of the syntactic and
+    semantic constraints of the standard, #includes the relevant
+    headers for the functions it uses, and uses the EXIT_SUCCESS and
+    EXIT_FAILURE macros to return a correct success/fail status to
+    the invoking program.  It also uses trigraphs for characters
+    which are not in the Invariant Code Set of ISO 646:1983, so it
+    will be portable to machines with deficient (from C's standpoint)
+    character sets.  In short, it should be very widely portable.  As
+    an extra added attraction, all of the lines are under 72
+    characters long, which would allow for sequence numbers to be
+    punched in columns 73-80 :-).
+
+    [[ The Author sent us this note after he was informed that he won ]]
+
+    Although I am quite grateful for the "ANSI Committee's Worst Abuse
+    of C" title (were you aware that I am a member of the committee or
+    is the double meaning unintentional?), I was really hoping for
+    something more along the lines of "Closest Resemblance to Line Noise."  :-)
+
+    [[ ... it was unintentional ]]
+
+Copyright (c) 1990, Landon Curt Noll & Larry Bassel.
+All Rights Reserved.  Permission for personal, educational or non-profit use is
+granted provided this this copyright and notice are included in its entirety
+and remains unaltered.  All other uses must receive prior permission in writing
+from both Landon Curt Noll and Larry Bassel.