Make GetMaskBand() work with GDT_UInt16 alpha bands (#5692)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27857 f0d54148-0727-0410-94bb-9a71ac55c965
Fix GDALOverviewDataset with WMS (#5688)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27859 f0d54148-0727-0410-94bb-9a71ac55c965
Fix GDALSuggestedWarpOutput() wrong extent in some circumstances (e.g. dataset of big dimension with world coordinates) (#5693)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27860 f0d54148-0727-0410-94bb-9a71ac55c965
Overview level selection: accept a 'only' suffix after the overview level in OVERVIEW_LEVEL open option (#5688)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27862 f0d54148-0727-0410-94bb-9a71ac55c965
add link to nas driver page [ci skip]

git-svn-id: https://svn.osgeo.org/gdal/trunk@27863 f0d54148-0727-0410-94bb-9a71ac55c965
Fix previous commit r27860 (#5693)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27864 f0d54148-0727-0410-94bb-9a71ac55c965
/vsimem/: update st_mtime and return it with Stat()

git-svn-id: https://svn.osgeo.org/gdal/trunk@27866 f0d54148-0727-0410-94bb-9a71ac55c965
VRTSources: fix RasterIO() to be able to fill buffers larger than 2GB (#5700)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27867 f0d54148-0727-0410-94bb-9a71ac55c965
Hopefully solve problems with CPLAtomicInc()/CPLAtomicDec() inlining

git-svn-id: https://svn.osgeo.org/gdal/trunk@27869 f0d54148-0727-0410-94bb-9a71ac55c965
Expand KMLSuperOverlay tile size to 512 < side < 1024px rather than 200 < side < 400px
KMLSuperOverlay: Reapply 4745.6.diff from #4745 to add 'AUTO' format.

Conflicts:
	gdal/frmts/kmlsuperoverlay/kmlsuperoverlaydataset.cpp
HFA: Trim identical trailing entries in RAT tables that are smaller
than the colour table. Helps when RATs travel via GTiff.
Don't pass resolution information from TIFFTAG into Kakadu if it's not finite
Better support for writing RATs, re #4903

Updated from 4903.7.diff to apply to latest trunk.
 * track thematic/athematic RAT type
 * Write RATs for Imagine/HFA output by default
 * Copy RATs during gdalwarp file-creation as well (if using nearest).
 * Copy RATs during gdal_translate VRT-path as well.
 * but, discard RATs if the operation makes them invalid