[imp] Multipanel patch fails in IMP 3.1

[G G Papazoglou]

Any help would be appreciated. Here's the output:

patching file config/conf.php.dist
Hunk #1 succeeded at 411 (offset 6 lines).
patching file config/prefs.php.dist
Hunk #1 FAILED at 68.
Hunk #2 succeeded at 463 with fuzz 2 (offset -1 lines).
1 out of 2 hunks FAILED -- saving rejects to file config/prefs.php.dist.rej
patching file folders.php
Hunk #1 succeeded at 338 (offset 21 lines).
patching file frames.php
patching file frames_menu.php
patching file lib/MultiPanel.php
patching file lib/base.php
Hunk #1 succeeded at 62 (offset -2 lines).
patching file mailbox.php
Hunk #1 succeeded at 834 (offset 8 lines).
patching file menu.php
patching file redirect.php
Hunk #2 succeeded at 78 (offset 1 line).
patching file templates/mailbox/message_summaries.inc
Hunk #1 FAILED at 13.
1 out of 1 hunk FAILED -- saving rejects to file templates/mailbox/message_summaries.inc.rej
patching file templates/menu/menu.inc
Hunk #1 FAILED at 13.
Hunk #2 FAILED at 50.
2 out of 2 hunks FAILED -- saving rejects to file templates/menu/menu.inc.rej
patching file templates/message/navbar.inc