Beginning updates for GDAL 1.11.  Added new parameters to gdal_translate.  Beginning new functions (not ready yet): gdal_contour, gdal_grid, gdallocationinfo, gdalmanage, gdaltindex, and nearblack.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/gdalutils@106 edb9625f-4e0d-4859-8d74-9fd3b1da38cb