Fix writeScene change in order to write the given node and its descendants, not only the list of children to the scene file.
Add support for loading a scene file as childs of a given node. This will ignore the scene attributes and load all nodes of the scene, storing them as children of a given parent node. The rest will stay as before, including the default behavior to load scene attributes and all nodes directly into the scene manager.
Test cases added for both methods loadScene and saveScene. In order to find a node in the example scene from tutorial 15 I have added a name and ID to one of the scene elements.

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Fix setMesh for skinned meshes, as reported by wing64. The joints cache was not updated, and hence the node reported and returned wrong joints.
Added support for resetting the transition time to 0.
Fixed some method names (correct camel case, create replaced by add, upper case fixed) in skinnedMesh.cpp

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Fix OpenGL texture matrix setup, found by pc0de. Sorry for the inconvenience, was probably very late when I changed that code.

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Real fix for the MRT problem. Last time only parts of the problem were fixed. Now, all RTT states should be fixed again. Also, test results are commited and work for both drivers.
Also changed the FBODepthTexture implementation in that it will not create another FBO, but only the depth/stencil texture or renderbuffer.

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Fixed the reference images, which have changed due to the text position changes in the 1.7 branch. We are using long texts, hence an empty line had been added in the beginning. This was wrong and fixed in the 1.7 branch already. Now our test had to be fixed as well.

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Merge from 1.7 branch, revisions 3449-3513. createImage fixed. Many GUI fixes. Saved particles can be loaded again. Volume light, skydome and water scene node updates. Let hw mapping hint be loaded. D3D reset fix, now terrain scenes can resize screens again.

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Add a new texture lock mode for write-only access. The lock method has changed for this. Support is only implemented under OpenGL so far.

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Fixed the reflection transparent material under OpenGL to use vertex alpha.

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- Speedup deleting of particles


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Fix rtt test, which failed on systems without fbo support.

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Enable test for projection matrix. I have removed the projection matrix tweak from OpenGL driver, as it does not seem to have any effect. At least no good one.

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Fix bug which showed up when RTT and text were used in the same scene. I have removed the old RTT checks in 2d methods, and placed a global fix for the texture matrix into the 2d mode setting.

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Add more driver tests to let mrt test go through on systems which don't support MRT

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Add driver attribute element for AntiAliasing level. This allows to check whether the driver has AA enabled, and which level.
Fix AA setup for OpenGL under windows, where the extension was missing and no error came up due to unsupported feature request. Now, the driver recognizes the missing support and properly sets AA to 0.

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Fix draw2DImage into RTT in BurningsVideo
Let ViewPorts unchanged if illegal viewport was given.

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Fix the text scene node placing in viewports. The problem was, that the calculation took the absolute viewport dimension into account, while rendering into the viewport requires the screenwidth to be taken. Hence, the text was usually misplaced. The collision method can still be used for this mixed mode calculation (get screen coordinate during viewport rendering, use it for full screen rendering), but requires an additional parameter.
Software drivers don't support 2d rendering into viewports, so they still fail to properly position text (or other 2d things) into a viewport.

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