mapmodel batch reset fix


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1712 b412e182-2ed4-4078-95c4-27dc59f57fa9
shadowmaskbatchedmodels transparency fix


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1713 b412e182-2ed4-4078-95c4-27dc59f57fa9
clearbatchedmapmodels cleanup


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1714 b412e182-2ed4-4078-95c4-27dc59f57fa9