initial implementation of masking on wcs coverages
tmp commit
add mask support for 16bit and rawmode. cleanups
SDE: Fix for the crash with NCLOB type (#3001)
Merge branch 'master' into wcs-mask
add support for GD renderer in raster masking
fix string comparison length of fadc37ae050955
update msautotests submodule
Merge branch 'branch-6-2' of github.com:mapserver/mapserver into branch-6-2
fix various leaks reported by valgrind

[no ci]
fix various leaks found by valgrind
update msautotest
SDE: Fix for the crash with CLOB type (#3001)
fix memory leaks and thread-unsafe usage of time parsing (#4458)

closes #4458
use threadsafe time cleanup/teardown functions (#4458)
fix leak on group_layers
fix memory leaks on wms testcases
more valgrind leaks (wcs,sos)
fix leaks in wcs code
another round of memory leaks