Blender Git Loki

Render Branch: some quick tweaks to make transparent shadow + node materials
performance bareable, new shading system will solve this automatically.

Render Branch: Fix recursion problem with nodes, indirect light and
transparent shadows.

operator & menu item in the image editor to edit an image externally.

Render Branch: Clamp diffuse/specular to be >= 0 after indirect light,
so that negative lamps also can darken it.

Render Branch: Fix clipping problem in render subdivide.

Render Branch: Fix render window not redrawing while rendering with FSA.

remove ED_object_apply_obmat(ob) in favor of object_apply_mat4(ob, mat), ED_object_apply_obmat wasnt doing quat/axis-angle or non xyz rotations.

Render Branch: Fix for rendering transparent volume shadows.

Render Branch: Fix node material texture slots list not being correct.

revert unintentional files from r27594

- fcurves with out of range indicies would crash blender (animsys was alredy checking length, just not comparing with the index)
- pythons keyframe_insert/delete(): raise an error when given a keyframe with an invalid index.

insertig keyframes from python would crash.

Render Branch: svn merge https://svn.blender.org/svnroot/bf-blender/trunk/blender -r27541:27592

minor changes to 'Render Only' option.
- display camera border.
- display camera object when in camera view.

fly mode up/down were inverted.

[#21649] Display missing scripts in Add-Ons panel
updated patch from Martin Bürbaum (pontiac)

wasnt displaying correctly with filtering

Render Branch: sound fix, in case ffmpeg decode fails, don't use the samples.

list missing addons that are enabled in the user prefs

RNA/Py API
bpy.data.add_image(filename) --> bpy.data.image.load(filename)
Added bpy.data.images.new(name, width, height, float_buffer)

Sound bugfixes:
* sound file path was not displayed in sequencer panel.
* sound strip with relative paths would stop working after undo.