INGR: Enable reading bitonal rle files wider than 22784 (0x5900) pixels; Add RESOLUTION metadata/option to read/write DPI; Add write support for .rle (bitonal rle files) to test the above (patch ingr_support.zip by cleo, #5030)

git-svn-id: https://svn.osgeo.org/gdal/trunk@25785 f0d54148-0727-0410-94bb-9a71ac55c965