Fix getCapabilities on maps with no layers
update msautotests
sync msautotest branch-6-2
Merge pull request #4547 from jlarouche/capabilitiesemptymap

Fix getCapabilities on maps with no layers
Reapplied scaledenom fix
Updated submodule msautotest
Updated msautotest
Modified mapfile.c for ticket #4568.
add missing functions to outputformatObj that allow iterating over the format's OPTIONS #4553
Fix drawmode of rectObj->draw method in PHP/MapScript
zero is a valid array index
Merge pull request #4574 from unicolet/outformatoptionlist

add missing functions to outputformatObj that allow iterating over the format options
the new getoutputformatOption should strdup values to avoid double-frees
Modify msStyleSetGeomTransform to allow removing the transformation (#4580)
Merge branch 'branch-6-2'

Conflicts:
	mapwms.c
	msautotest
Fix point->draw() fails when no LABEL defined (closes #4572)
Merge branch 'master' of github.com:mapserver/mapserver
Fix rectObj->draw fails to render text in php/mapscript (#4577)