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/archive.cgi

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 import cgi
 import os
@@ -6,6 +6,7 @@ import sys
 import time
 import calendar
 from datetime import datetime
+import pytz
 import rlgalldb as rlgall
 #import cgitb
 
@@ -55,7 +56,7 @@ def input_datetime(outf, dvals=[None, None, None, None, None, None]):
   emptf = '<input type="text" size="2" maxlength="2" name="{0}">'
   sstr = '<div>Date: <select name="year">\n'
   # Default to today
-  now = datetime.now(rlgall.utc)
+  now = datetime.now(pytz.utc)
   if dvals[0] == None:
     dvals[0] = now.year
   if dvals[1] == None:
@@ -164,7 +165,7 @@ def processtime(fdata, errlist, hlist):
     chtime = time.gmtime(utime)
     for i in range(6):
       hlist[i] = chtime[i]
-    return datetime.fromtimestamp(utime, rlgall.utc)
+    return datetime.fromtimestamp(utime, pytz.utc)
 
   # Now try to get a human-readable specification.
   lerrors = []
@@ -261,7 +262,7 @@ def processtime(fdata, errlist, hlist):
     errlist.extend(lerrors)
     return None
   #return calendar.timegm([year, month, day, hour, minute, second, 0, 0, 0])
-  return datetime(year, month, day, hour, minute, second, 0, rlgall.utc)
+  return datetime(year, month, day, hour, minute, second, 0, pytz.utc)
 
 # Begin processing
 fdata = cgi.FieldStorage()
@@ -307,7 +308,7 @@ if dosearch:
   conn.close()
 
 # Now we are ready to print the page.
-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("Archive"))
 sys.stdout.write(rlgall.ptop)