Bug 148181 Support deleting a directory from report document
Now Engine supports deleting a file from report document, and it would be nicer if deleting a directory could be also supported.
testsuites/org.eclipse.birt.report.tests.engine/src/org/eclipse/birt/report/tests/engine/api/RenderFolderDocumentTest.java
htmlOption=new HTMLRenderOption();
		htmlOption.setOutputFormat(HTMLRenderOption.HTML);
	}
	public void test1(){
		String renderDoc="folderdocument_case1";
		renderFolderDocument(renderDoc);		
	}
	
	public void test2(){
		String renderDoc="folderdocument_long_text";
		renderFolderDocument(renderDoc);
		
	}
		
	public void test3(){
		String renderDoc="folderdocument_master_page";
		renderFolderDocument(renderDoc);
		
	}
	
	public void test4(){
		String renderDoc="folderdocument_multiple_datasets";
		renderFolderDocument(renderDoc);
		
	}
	
	public void test5(){
		String renderDoc="folderdocument_pages9";
		renderFolderDocument(renderDoc);