Bug 149617 Support Content-type-based editor lookup
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/ReportPlugin.java
{
		getPreferenceStore( ).setValue( TEMPLATE_PREFERENCE, preference );
	}
	/**
	 * set default resource preference
	 * 
	 */
	public void setDefaultResourcePreference( )
	{