Bug 145724 Change version after auto convert
By the request of 136536, user get warning message to confirm the auto convert. If user select yes, the file convert to newest format, but the version is still old. If user open this file again, he'll get the warning message even the file converted.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
Theme theme )
	{
		assert library != null;
		assert theme != null;
		
		
		String name = theme.getName( );
		assert !StringUtil.isBlank( name )
				&& ModelMessages.getMessage( Theme.DEFAULT_THEME_NAME ).equals(
						name );
		NameSpace ns = library.getNameSpace( Library.THEME_NAME_SPACE );
		assert library.getModuleNameSpace( Library.THEME_NAME_SPACE )
				.canContain( name );
		ns.insert( theme );
		
		library.getSlot( Library.THEMES_SLOT ).add( theme );
		
		theme.setContainer( library, Library.THEMES_SLOT );
	}
	/**
	 * Uses the new name space of the current module for reference property
	 * values of the given element. This method checks the <code>content</code>
	 * and nested elements in it.
	 * 
	 * @param module
	 *            the module that <code>content</code> attaches.
	 * @param content
	 *            the element to revise
	 * @param nameSpace
	 *            the new name space