Fixing bug that prevents WCS 2.0 Post XML to contain the wcs:Extension element.
update autotests for #4533
update submodule
Implement MS RFC 88: Saving MapServer Objects to Strings (#4563)
Updated msautotest
Fix mapfile writer to write SVG symbols (#4607)
Merge branch 'branch-6-2'

Conflicts:
	mapsymbol.c
	msautotest
Merge branch 'master' of github.com:mapserver/mapserver
Initial commit for Contour Layer
Updated branch with master
Update to reflect the fact that MIGRATION_GUIDE.txt master copy now lives in the mapserver/docs tree.
Merge pull request #4614 from aboudreault/contour_layer

Contour layer
CAIRO renderer fails to render some truetype symbols (#4616)
Merge branch 'branch-6-2'
fix msautotest revision
Migration from autotools to cmake (RFC92) (#4617)
don't build the public api just yet
add a Makefile used only to run tests
update msautotest submodule
remove old autotools files (#4617)