Make some *serious* pool management improvements to libsvn_ra_dav's REPORT response processing.
Make some *serious* pool management improvements to libsvn_ra_dav's
REPORT response processing.

* subversion/libsvn_ra_dav/fetch.c
  (dir_item_t): Add 'pool'.
  (report_item_t): Add 'file_pool'.
  (push_dir, add_node_props): Add 'pool' argument.
  (start_element, end_element): Get some tighter pool management
    action going on in here.  Update calls to push_dir and
    add_node_props.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@843692 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion