Fix syntax errors in doc/upgrading.txt and .gitignore

doc/upgrading.txt produced errors with latest docutils about
wrong block structure. Thanks to Cheer Xiao for the patches.

Author: schlatterbeck

CHANGES.txt

@@ -68,6 +68,9 @@ Fixed:
   section if there wasn't an empty line between the next quotes.
 - issue2431638 wrong registration link in bounce mail for non-registered
   users reported *years* ago by anonymous
+- Fix doc/upgrading.txt which produces errors with latest docutils about
+  wrong block structure. Fix .gitignore in doc directory. Thanks to
+  Cheer Xiao for the patches.
 
 
 2011-07-15: 1.4.19

doc/.gitignore

@@ -18,4 +18,5 @@ postgresql.html
 tracker_templates.html
 whatsnew-0.7.html
 whatsnew-0.8.html
+xmlrpc.html
 *.ht

doc/acknowledgements.txt

@@ -156,5 +156,5 @@ Tue Wennerberg,
 Matt Wilbert,
 Chris Withers,
 David Wolever,
-Cheer Xiao
+Cheer Xiao,
 Milan Zamazal.

doc/upgrading.txt

@@ -22,29 +22,29 @@ following script will list likely issues being affected by the bug.
 The date in the script is the date of the 1.4.17 release. If you have
 installed 1.4.17 later than this date, you can change the date
 appropriately to your installation date. Run the script in the directory
-of your tracker.
-
-#!/usr/bin/python
-import os
-from roundup import instance
-from roundup.date import Date
-dir     = os.getcwd ()
-tracker = instance.open (dir)
-db      = tracker.open ('admin')
-# you may want to change this to your install date to find less candidates
-last_release = Date('2011-05-13')
-affected = {}
-for i in db.issue.getnodeids():
-    for j in db.issue.history(i):
-        if i in affected:
-            break
-        if j[1] < last_release or j[3] != 'set' or 'files' not in j[4]:
-            continue
-        for op, p in j[4]['files']:
-            if op == '-':
-                affected [i] = 1
-                break
-print ', '.join(sorted(affected.iterkeys()))
+of your tracker::
+
+  #!/usr/bin/python
+  import os
+  from roundup import instance
+  from roundup.date import Date
+  dir     = os.getcwd ()
+  tracker = instance.open (dir)
+  db      = tracker.open ('admin')
+  # you may want to change this to your install date to find less candidates
+  last_release = Date('2011-05-13')
+  affected = {}
+  for i in db.issue.getnodeids():
+      for j in db.issue.history(i):
+          if i in affected:
+              break
+          if j[1] < last_release or j[3] != 'set' or 'files' not in j[4]:
+              continue
+          for op, p in j[4]['files']:
+              if op == '-':
+                  affected [i] = 1
+                  break
+  print ', '.join(sorted(affected.iterkeys()))
 
 To find out which files where attached before you can look in the
 history of the affected issue.  For fixing issues you can re-attach the