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.
Fix drawmode of rectObj->draw method in PHP/MapScript
Modify msStyleSetGeomTransform to allow removing the transformation (#4580)
Merge branch 'branch-6-2'

Conflicts:
	mapwms.c
	msautotest