Merged revisions 300301 via svnmerge from

Merged revisions 300301 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r300301 | twilson | 2011-01-04 11:54:41 -0600 (Tue, 04 Jan 2011) | 29 lines

  Merged revisions 300298 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2

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    r300298 | twilson | 2011-01-04 11:37:26 -0600 (Tue, 04 Jan 2011) | 22 lines

    Merged revisions 300216 via svnmerge from
    https://origsvn.digium.com/svn/asterisk/branches/1.4

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      r300216 | twilson | 2011-01-04 11:11:48 -0600 (Tue, 04 Jan 2011) | 15 lines

      Don't authenticate SUBSCRIBE re-transmissions

      This only skips authentication on retransmissions that are already
      authenticated. A similar method is already used for INVITES. This
      is the kind of thing we end up having to do when we don't have a
      transaction layer...

      (closes issue #18075)
      Reported by: mdu113
      Patches:
            diff.txt uploaded by twilson (license 396)
      Tested by: twilson, mdu113

      Review: https://reviewboard.asterisk.org/r/1005/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@300302 65c4cc65-6c06-0410-ace0-fbb531ad65f3