* plugins/gtk+/glade-gtk.c: Set sizegroup_add action sensitive/insensitive
	  depending on project format

	* plugins/gtk+/gtk+.xml.in: Set libglade-unsupported && create-type on alot of properties

	* gladeui/glade-editor-property.c: Set eprop insensitive also if its in an unsupported
	  format

	* gladeui/glade-xml-utils.h, gladeui/glade-property-class.c: Added "create-type"

	* gladeui/glade-property.[ch]: Now property states can be flagged and
	  also include format_disabled state.


svn path=/trunk/; revision=1948