note old Email, header formatting, improve copyright and license

For the top level and year level README.md, where email are found,
a note was added to the effect that email addresses found above are
for historical purposes only, and should not be used today.

Old references to asking for fixes, comments, when content was used,
and next contest links were replaced with a general reference to the FAQ.

Harmonized the Copyright and License and copyright dates.
Now using Creative Commons "CC BY-SA 4.0 DEED Attribution-ShareAlike 4.0
International".

The above Creative Commons will become the standard for the IOCCC.
Replaced old `png/by-sa-3.0-88x31.png` with a new ` png/by-sa.88x31.png` icon.
Updated the top level HTML files to use the license.

1995/README.md

@@ -63,10 +63,11 @@ judges@toad.com
 If you use, distribute or publish these entries in some way, please drop
 us a line.  We enjoy seeing who, where and how the contest is used.
 
-If you have problems with any of the entries, AND IF YOU HAVE A FIX, please
-submit a [GitHub pull
-request](https://github.com/ioccc-src/temp-test-ioccc/pulls) (with ONE PULL
-REQUEST *PER* FIX, please).
+**IMPORTANT NOTE**: The email addresses found above are for historical
+purposes only, and should not be used today.  See
+[contact.html](/contact.html) for up to date contact details
+as well as details on how to provide fixes to any of the entries.
+See also [the IOCCC FAQ](/faq.html) for addition information on the IOCCC.
 
 
 ## Credits
@@ -77,6 +78,7 @@ appreciated the opportunity to serve as official taste testers.  And as
 usual, the food was excellent.  The official menus of the 1995
 Obfuscated C Contest dinners were:
 
+
 ### Session One:
 
 Antipasti: Crudites, olive selection, pickles, cheese selection
@@ -86,6 +88,7 @@ Salad: artichoke, red bell peppers, Italian onions, cucumbers
 Main Course: Pizzas, with a variety of toppings
 Dessert: Chocolate torte
 
+
 ### Session Two:
 
 Antipasti: crudites, olives, roasted red peppers, cheese selection
@@ -106,6 +109,7 @@ Main Course: Broiled salmon with lemon pepper mayonnaise, chard, mixture
 Bread: Cheese bread with herbs
 Dessert: Chocolate cheesecake (Courtesy of Elizabeth Watson)
 
+
 ### Session Four:
 
 Antipasti: Crudites, olive selection, roasted red peppers, cheese selection
@@ -116,6 +120,7 @@ Main Course: Surf and Turf--Grilled steaks of salmon and New York steak
 	wild rice
 Dessert: Chocolate mousse
 
+
 ### Session Five:
 
 Antipasti: Crudites, olive selection, pickles
@@ -125,6 +130,7 @@ salmon
 Bread: Garlic bread
 Dessert: Flour-less chocolate torte
 
+
 ### Session Six:
 
 Antipasti: Carrot and celery sticks with cheese spread, olive selection,
@@ -136,10 +142,11 @@ Main Course: Cracked Dungeness crab with lemon mayonnaise, broccoli,
 	mixture of white and brown rice
 Dessert: Key lime pie
 
-=-=
 
-Copyright (c) 1995, Landon Curt Noll, Larry Bassel & Sriram Srinivasan.
-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 Landon Curt Noll, Larry Bassel and Sriram Srinivasan.
+# Copyright and License
+
+Copyright (c) 1995,2023, Landon Curt Noll, Larry Bassel, Sriram Srinivasan. All Rights Reserved.
+This work is licensed under a [Creative Commons CC BY-SA 4.0 DEED Attribution-ShareAlike
+4.0 International](https://creativecommons.org/licenses/by-sa/4.0/) license.
+If you do use this work in some form, the [IOCCC judges](/judges.html) would appreciate
+(but does not require) if you were to [send us a note about your use](/contact.html).