fix topbar to work on mobile devices

The topbar, by way of JavaScript, now works
on mobile devices such as cell phones and
tablets.

Internal links for entries from 1984 thru 2015
have been adjusted.

Ran `make www` to perform the above.

TODO: Fix some color issues on topbar.

TODO: More testing!

2014/sinon/README.md

@@ -110,7 +110,7 @@ that there are no files named "run" and "run.c" in current directory
     perl prog.c | bash
 ```
 
-File size and CRC32 of [prog.c](prog.c) are embedded in line 7.
+File size and CRC32 of [prog.c](%%REPO_URL%%/2014/sinon/prog.c) are embedded in line 7.
 
 Process for making `Sinon` is included in [spoiler.html](spoiler.html).