CEGUI::SchemeManager::getSingleton().loadScheme（）换成了create（）

loadScheme换成了create

！！！

向下兼容太无语了，浪费大家的宝贵时间

其他Scheme and SchemeManager changes

在官网得到：http://www.cegui.org.uk/docs/current/porting6to7.html

• SchemeManager is now derived from new NamedXMLResourceManager template class (part of resource system improvements to make things cleaner and easier to maintain).
• SchemeManager::loadScheme function is renamed to SchemeManager::create (inherited from base class)
• SchemeManager::unloadScheme function renamed to SchemeManager::destroy (inherited from new base class).
• SchemeManager::unloadAllSchemes function renamed to SchemeManager::destroyAll (inherited from new base class).
• SchemeManager::isSchemePresent function is renamed to SchemeManager::isDefined (inherited from new base class).
• SchemeManager::getScheme function is renamed to SchemeManager::get (inherited from new base class)
• SchemeManager::get returns a reference instead of a pointer (to reinforce that it will never return 0).
• SchemeManager::create returns a reference instead of a pointer (to reinforce that it will never return 0).
• SchemeManager::create function has an optional XMLResourceExistsAction argument to indicate what action to take when loading a scheme with a name that already exists.