Merge "Add support for persistent variables in theme's <variables> section" into android-4.4

int PageSet::LoadVariables(xml_node<>* vars)

{

	xml_node<>* child;

	xml_attribute<> *name, *value, *persist;

	int p;

	child = vars->first_node("variable");

	while (child)

	{

		if (!child->first_attribute("name"))

			break;

		if (!child->first_attribute("value"))

			break;

		name = child->first_attribute("name");

		value = child->first_attribute("value");

		persist = child->first_attribute("persist");

		if(name && value)

		{

			p = persist ? atoi(persist->value()) : 0;

			DataManager::SetValue(name->value(), value->value(), p);

		}

		DataManager::SetValue(child->first_attribute("name")->value(), child->first_attribute("value")->value());

		child = child->next_sibling("variable");

	}

	return 0;