Minor tweaks and completions of shortdescs.

Minor tweaks and completions of shortdescs.

	* gtk/tmpl/gtkalignment.sgml:
	* gtk/tmpl/gtkadjustment.sgml:
	* gtk/tmpl/gtkaccellabel.sgml:
	* gtk/tmpl/gtkoldeditable.sgml:
	* gtk/tmpl/gtkwidget.sgml:
	* gtk/tmpl/gtkrange.sgml:
	* gtk/tmpl/gtkeditable.sgml:
	* gtk/tmpl/gtkwindowgroup.sgml:
	* gtk/tmpl/gtkwindow.sgml:
	* gtk/tmpl/gtktypeutils.sgml:
	* gtk/tmpl/gtksignal.sgml:
	* gtk/tmpl/gtkfeatures.sgml:
	* gtk/tmpl/gtkstyle.sgml:
	* gtk/tmpl/gtkselection.sgml:
	* gtk/tmpl/gtkgc.sgml:
	* gtk/tmpl/gtkenums.sgml:
	* gtk/tmpl/gtkbindings.sgml:
	* gtk/tmpl/gtksettings.sgml:
	* gtk/tmpl/gtkdnd.sgml:
	* gtk/tmpl/gtkclipboard.sgml:
	* gtk/tmpl/gtkaccelgroup.sgml:
	* gtk/tmpl/gtkaccelmap.sgml:
	Minor tweaks and completions of shortdescs.