GDALGenImgProjTransform(): don't set panSuccess[i] to 1 in the middle of the function, if an intermediate transform before has set the flag to 0

git-svn-id: https://svn.osgeo.org/gdal/trunk@26712 f0d54148-0727-0410-94bb-9a71ac55c965
GDALGeoLocTransform(): fail transformation of coordinates that is located on a nodata place of the geoloc array

git-svn-id: https://svn.osgeo.org/gdal/trunk@26713 f0d54148-0727-0410-94bb-9a71ac55c965
L1B: support opening a few NOAA <= 9 datasets that have no dataset name in the TBM header

git-svn-id: https://svn.osgeo.org/gdal/trunk@26714 f0d54148-0727-0410-94bb-9a71ac55c965
More cautious initialization of panSuccess[i]

git-svn-id: https://svn.osgeo.org/gdal/trunk@26715 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx