Port to Python 3.

All scripts and modules have been ported to Python 3 and appear to
work.  Some changes to the lighttpd configuration were needed.

web/scoring/players/index.cgi

@@ -1,8 +1,8 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 import os
 import sys
-import rlgall
+import rlgalldb as rlgall
 
 playerdir = "/var/www/lighttpd/scoring/players/"
 linkstr = '<li><a href="./{0}.html">{0}</a></li>\n'
@@ -15,7 +15,7 @@ for filename in filelist:
     namelist.append(filename.rsplit(".html", 1)[0])
 namelist.sort()
 
-sys.stdout.write("Content-type: text/html\r\n\r\n")
+sys.stdout.write("Content-Type: text/html; charset=utf-8\r\n\r\n")
 sys.stdout.write(rlgall.phead.format("Players"))
 sys.stdout.write(rlgall.ptop)
 sys.stdout.write(rlgall.navscore.format("Players"))