[fdo-trac] #523: Backport various leak fixes to Fdo 3.4

[FDO]

#523: Backport various leak fixes to Fdo 3.4
---------------------------+------------------------------------------------
   Reporter:  trevorwekel  |       Owner:  trevorwekel
       Type:  defect       |      Status:  new        
   Priority:  major        |   Milestone:  3.4.0      
  Component:  FDO API      |     Version:  3.4.0      
   Severity:  2            |    Keywords:             
External_id:  1215506.01   |  
---------------------------+------------------------------------------------
 There are a number of significant memory leaks fixed in Fdo trunk.  This
 submission backports some of them.

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Ticket URL: <http://trac.osgeo.org/fdo/ticket/523>
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