Fix msContourGetOption() to be able to parse values where no min/maxscaledenom is specified, e.g. PROCESSING 'CONTOUR_INTERVAL=20' (#4691)
refactor SDE detection in cmake files (#4512,#4700)

- add a specific plugin configuration
- checks for sde,sg and pe libs, adds pthread,socketi and dl if found
- adds #define SDE64 on 64 bit platforms
add missing file
restore submodule version
Merge pull request #4521 from tbonfort/cmake-sde

Building SDE support on 64-bit Linux needs work.
print destination directory in cmake status message
update autotest submodule for dpi tests
update submodule
add support for scale-dependant legend rendering (#4725)

closes #4725
Deal with long/int issues when compiling on a 64-bit system. (#4521)
Merge branch 'master' of https://github.com/mapserver/mapserver
Fix compiler warning (introduced by cdfecb8469efb882605c3421d7d0fa4eb55a5cce, #4720)
update submodule
update submodule
update RFC92 cmake instructions (#4617)

closes #4617
Updated msautotest
Merge pull request #4692 from rouault/fix_msContourGetOption

Fix msContourGetOption() to be able to parse values where no min/maxscal...
Fix NULL type shp creation in tile4ms (#4259)

closes #4259
Fix some typos in AGG code (no idea if they affect us)
Merge branch 'branch-6-2'