hdf5_ep

[svn-r19605] Purpose:
 Backout the previous changes (r19598):
 (Fix for bug# 2040 - h5copy should fail gracefully for expected failure copying to non-exist nested group without -p option.)

Description:
 Some failure occurred on talwit, so backout the changes and will put it back 
 after the fix.
 (Fixed h5copy to fail gracefully when copying object to non-exist group without -p option. This is expected to be failed.
 Merged from hdf5 trunk r19598.)