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Merge branch 'master' of github.com:mapserver/mapserver
update msautotest submodule
update submodule
reuse agg stroker for simple and dashed lines

This cuts down on the number of memory allocations happening, by
avoiding the creation and destruction of agg strokers for each
feature.
autotest update after agg stroker reuse
apply scaletoken substitutions in a few corner cases:

- for getcapabilities requests (or when no scale is defined), we
use the first configured scaletoken
- for getfeatureinfo requests on raster layers, added token
replacements in msRasterQueryByRect() (which is in-turn called by
the other raster query functions.
Adding support for MultiPoint in filter encoding.
Remove old style CGI runtime substitutions

This implements mapserver/mapserver/#4604.  All runtime substitution
configuration is now performed using `VALIDATION` blocks in `CLASS`,
`LAYER` or `WEB`: `METADATA` blocks are no longer involved.
update submodule for #4604
Fix PHP building when GD is disabled. Closes #4550
Merge branch 'branch-6-2' of github.com:mapserver/mapserver into branch-6-2
remove unused files after Cmake transition (#4617)
CMAKE tweaks
Merge branch 'master' of https://github.com/mapserver/mapserver
Adding first version of automated issue closer.
CMAKE: Add ZLIB detection
Support attribute name aliases for output in text/plain WMS GetFeatureInfo.
Correct wgs84 bbox in WFS GetCapabilties (#4499)
add build dir to ignores

list of ignores should be updated after the switch to cmake