Merged revisions 204681 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r204681 | dvossel | 2009-07-02 10:05:57 -0500 (Thu, 02 Jul 2009) | 14 lines
  
  Improved mapping of extension states from combined device states.
  
  This fixes a few issues with incorrect extension states and adds
  a cli command, core show device2extenstate, to display all possible
  state mappings.
  
  (closes issue #15413)
  Reported by: legart
  Patches:
        exten_helper.diff uploaded by dvossel (license 671)
  Tested by: dvossel, legart, amilcar
  
  Review: https://reviewboard.asterisk.org/r/301/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@204710 65c4cc65-6c06-0410-ace0-fbb531ad65f3