add validation block to copy functions (#4596)
don't write GRATICULE connectiontype (#4165)

The graticule connectiontype is only used internally, and should
not be exposed in a mapfile as it is rejected by the parser.
Implement MS RFC 90
Developed for Faunalia (http://www.faunalia.it) with funding from Regione Toscana -
Settore SISTEMA INFORMATIVO TERRITORIALE ED AMBIENTALE". For the project: "Sviluppo
strumenti software per il trattamento di dati geografici basati su QuantumGIS e
Postgis (CIG 0494241492)"
Merge branch 'master' of https://github.com/mapserver/mapserver
Mark disabled layers as processed to prevent from being displayed in nested groups (#4533)
Merge branch 'branch-6-2' of https://github.com/mapserver/mapserver into branch-6-2
Merge branch 'branch-6-2'
write CLASS validation to mapfile (#4596)
Fix issues with wms_layer_group printing (#4533)
Merge branch 'branch-6-2'
update autotests for #4533