* Fix recursive reference memory leak in UIWidget
* Make Event/ScheduledEvent memory-leak safe
* Fix exit crashs by freeing graphics resources before destroying GL context
* Add many asserts to avoid any leak regression
* Fixes in WIN32 platform
* Remove unused files
* Make StaticText work more like tibia
* Fix WIN32 compilation
* Fix regression in framebuffers that caused battle to disappear
* Shader fixes for DX9
* Add two new shaders: noise and heat