Important changes:
- Major! enhancements to lte
- Many new guiwidgets
- Built-in Profiler
- New tutorial 23.oppl-1 to show how to switch to oppl pipeline
- Particlesystems refactor. removed old psys, multi-psys is now standard
- Renderlayer2d and Guimanager have been merged

Other changes in this version:
- CGUIListBox can now display custom images to the left of each entry
- added CGUIImageList
- fixed a possible crash when loading a multi-psys from file
- added fake instancing, see test104 for example-usage
- CGUILabel can now display an image to the left of the tex
- CGUIListBox can now display more than one column of items
- added CGUIFileDialog
- CGUIFileDialog pattern allows multiple possibilities (separated by ';')
- added quadtreescenenode, see test102 on how to use it
- updated ngplant version to 0.9.6
- added CAtmosphereSceneNode
- added util::CLFProfiler
- added buildsys option 'profiler' to enable compilation of the profiler singleton (default: yes)
- added buildsys option 'profile-lf' to enable profiling of internal parts of the engine (default: no)
- added vector3df::perpendicular - an often useful function
- fixed problems with quaternion::RotationFromTo
- added particle start time
- lte: implemented importing from heightmap
- added tools/guithemeeditor
- updated LfNet code to latest ENet cvs (1.2)
- fixed a problem in singlepass pipeline with multiple rendertargets and skyscenenodes
- added new, more flexible, CLODSceneNode
- particlesystems refactor. removed old psys, multi-psys is now standard
- lte now loads all tiles in memory instead of on-demand loading them
- added CGUIProgressWindow
- fixed a crash-problem with cards that dont support the compressed textures extension.
- added "dialogs" menu in test4 to showcase built-in dialogs
- added CGUIColorDialog
- trees from ngplant now use 0.5 as alphatestvalue by default
- added 'offset' property in CBillboardModel
- render to texture now updates mipmaps for fbo-rendertargets too
- loadtexture in resourcemanager now checks for dds fileending and handles it accordingly
- added contrib tool lf_bin2hex
- added support for simple bitmap based fonts (all chars same width and height)
- fixed 3d texture handling
- added test16 - 3d texture test
- _LF_USE_EMBEDDED_RESOURCES_ in LfConfig.h controls whether to embed basic gui resources in lf library (so you don't have to bundle them with your app)
- added preliminary version of support for right-handed coordinate system
- CGUIAnimator now supports looping
- changed drawImage so that size is always the displayed size of the image and clippedsize/clippedpos are relative to the image size instead of displayed size
- added Vista and XP Pro x64 OSInterface entries (lf now identifies those correctly)
- added core::CSpline class
- fixed spacial scale behaviour
- added CGUIGrid (check test4 for sample)
- added CGUIPropertyGrid
- added CGUITreeView
- added CGUISplitter
- CSceneNode::setVisible() takes an optional CCamera* argument to enable/disable node visibility per-camera
- added scrolling support in CGUITabControl
- added CGUIButton::setToggleMode() to turn a button to a toggle-button


As always the files are also available through sourceforge.net at http://sourceforge.net/project/showfiles.php?group_id=185273