Add new parameter to array reallocate function. This prevents a reallocation in case the array would become smaller. As the reallocation operation is quite time consuming, this can be avoided on request now, on the expense of more memory consumption.

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CSceneNodeAnimatorCameraFPS now resets the key-input when it was disabled (thx @ gerdb for reporting and patch-proposal)

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Fix diplay bux in the attribute-panel of the GUIEditor. Fixes bug 3517314 (thx @Darkcoder  for reporting).

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Allow caching cursor position on X11 to work around slow XQueryPointer calls. Resolves patch 3476712. Thanks @ hendu for reporting and patch-proposal. For more info: http://irrlicht.sourceforge.net/forum/viewtopic.php?f=7&t=45525


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Make sure after EGET_EDITBOX_ENTER and EGET_COMBO_BOX_CHANGED event processing no more code is executed for the corresponding editbox or combobox objects to allow clearing the environment on those actions (see comments on bug-id 2995838).

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Make shadows show again in D3D9 (NOTE: mini-shadow is still there and D3D8 not yet fixed as I'm not sure yet if this change is optimal)

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Fix compile warnings for matrix4::setRotationAxisRadiansLH and matrix4::setRotationAxisRadiansRH found by greenya.

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Fix string::replace which failed replacing substrings at the end when the replacement was longer (thx @ zerochen for reporting). Corresonding tests added.


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- Fixed issue with an int array uniforms.

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- Improved texture handling in a shader callback (returned ability to bind a texture by a float interface).

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- Modified struct packing solution to work with gcc 4.7 on MinGW. Which makes for example bmp-loader work again (textures in example 01 for example). Note: If this should be backported to 1.7 we should maybe just set the -mno-ms-bitfield flag for mingw there (not as nice, but will probably work good enough as workaround for what we use in Irrlicht and we don't have our nice packing headers there yet so we would have to do that all over the place).
- Also added new packing headers to c::b project file.

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- Update changes.txt

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Add parameter useAlphaChannel to second IGUIEnvironment::addImage function as it's rather confusing when they have different defaults. Unfortunately can't use same parameter order anymore without messing up existing user-code now (some things can only be done right on first try...).

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Get rid of unnecessary warning "Could not load sprite bank because the file does not exist" for "#defaultfont".

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Fix ifdef hierarchy to correctly close the system check early and put all extension pointer calls into the large 'if use extension pointer' bracket.

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Add a shortcut return in case reallocate has nothing to do. Should reduce a lot of memory thrashing on irrArrays.

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Use another solution to ensure first animation frame is at start. Solution yesterday had the trouble that it was no longer possible to use setCurrentFrame before otherwise. Tests b3dAnimation and md2Animation working again.

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- COpenGLTexture::getOpenGLFormatAndParametersFromColorFormat now returning values for ECF_R5G6B5 which can be used in glTexImage2D. Fixes test renderTargetTexture. I've also added a few more error-checks in debug.
- Remove assert in opengl driver (already logs and asserts prevent tests from running through).
- NOTE: 2 new tests failing: b3dAnimation and md2Animation. Maybe due to animation fix from yesterday.

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Document how to use the makefile with MinGW and use DNO_IRR_COMPILE_WITH_DIRECTINPUT_JOYSTICK_ and DNO_IRR_COMPILE_WITH_DIRECT3D_9_ as defaults there.

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Fix dx8 init to use the params scheme as the other drivers do. This change reverts the last commit and fixes the problem in a different way.

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