PRD-5045 - Performance of reports with large number of empty bands
can be greatly improved by caching the sub-tree access in the layout
model more efficiently.
Merge pull request #355 from tmorgner/PRD-5045

PRD-5045 - Performance of reports with large number of empty bands
PRD-5045 - To make subreports work, we cannot cache their results.
Merge pull request #356 from tmorgner/PRD-5045

PRD-5045 - To make subreports work, we cannot cache their results.
commenting out line ending fix
CRLF