Script to autogenerate pieces of the web page.

This should simplify the process of adding a new puzzle, by automating
the part where I have to manually edit index.html separately from the
main build step.

CHECKLST.txt

@@ -59,17 +59,11 @@ might have been involved.
 Check in!
 
 Put the puzzle on the web:
- - run puzzlesnap first
- - make sure the screenshot and Windows binary have arrived in the www
-   directory, and that the .jar file and its accompanying web page has
-   arrived in the java subdirectory
- - add an entry in the puzzles list in index.html
- - add the Windows executable name to the list further down
-   index.html
- - adjust the copyright in index.html if the puzzle is by a new
+ - run puzzlesnap.sh
+ - adjust the copyright in index-mid.html if the puzzle is by a new
    author
- - test that the binary link and the docs link work
- - test that the Java version works
+ - check that the new puzzle has appeared on the staging web page
+ - test both Windows binary links, the docs link, the Javascript
+   version and the Java version
  - run webupdate
- - test again
- - check in the change to index.html
+ - test all those things once more on the live website