574167 - An escaped space at the end of the RDN value is not
    handled correctly
    
    https://bugzilla.redhat.com/show_bug.cgi?id=574167
    
    Bug Description: If a DN contains "\ " at the end of its RDN,
    it's be converted to "\20" by slapi_dn_normalize_ext in the
    add operation.  But the following search returns ' ' (not
    an escaped space).
    
    Fix Description: When slapi_dn_normalize_ext was applied to a
    string which contains "\20", it converted the string to ' '.
    This fix changes the behaviour so that the string "\20" in
    DN remains untouched.
    
    Also, this patch includes a fix to add a default suffix value
    with no double quotes in template-suffix-db.ldif.in.  We keep
    double quoted suffix for the backward compatibility.