Merged revisions 1519418 via svnmerge from 
https://svn.apache.org/repos/asf/cxf/trunk

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  r1519418 | sergeyb | 2013-09-02 13:33:00 +0100 (Mon, 02 Sep 2013) | 1 line
  
  Setting Jettison readNull property only if it is set to false
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git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/2.7.x-fixes@1519419 13f79535-47bb-0310-9956-ffa450edef68