Merged revisions 313588 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r313588 | rmudgett | 2011-04-13 11:31:50 -0500 (Wed, 13 Apr 2011) | 55 lines
  
  Merged revisions 313579 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r313579 | rmudgett | 2011-04-13 11:29:49 -0500 (Wed, 13 Apr 2011) | 48 lines
    
    Merged revisions 313545 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r313545 | rmudgett | 2011-04-13 11:21:24 -0500 (Wed, 13 Apr 2011) | 41 lines
      
      Asterisk does not hangup a channel after endpoint hangs up.
      
      If the call that the dialplan started an AGI script for is hungup while
      the AGI script is in the middle of a command then the AGI script is not
      notified of the hangup.  There are many AGI Exec commands that this can
      happen with.  The reported applications have been: Background, Wait, Read,
      and Dial.  Also the AGI Get Data command.
      
      * Don't wait on the Asterisk channel after it has hung up.  The channel is
      likely to never need servicing again.
      
      * Restored the AGI script's ability to return the AGI_RESULT_HANGUP value
      in run_agi().  It previously only could return AGI_RESULT_SUCCESS or
      AGI_RESULT_FAILURE after the DeadAGI and AGI applications were merged.
      
      (closes issue #17954)
      Reported by: mn3250
      Patches:
            issue17954_v1.8.patch uploaded by rmudgett (license 664)
            issue17954_v1.6.2.patch uploaded by rmudgett (license 664)
            issue17954_v1.4.patch uploaded by rmudgett (license 664)
      Tested by: rmudgett
      JIRA SWP-2171
      
      (closes issue #18492)
      Reported by: devmod
      Tested by: rmudgett
      JIRA SWP-2761
      
      (closes issue #18935)
      Reported by: nvitaly
      Tested by: astmiv, rmudgett
      JIRA SWP-3216
      
      (closes issue #17393)
      Reported by: siby
      Tested by: rmudgett
      JIRA SWP-2727
      
      Review: https://reviewboard.asterisk.org/r/1165/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@313606 65c4cc65-6c06-0410-ace0-fbb531ad65f3