Blender Git Loki

Don't pass pixels through RNA, but Image pointers.

This makes setting preview images MUCH faster; passing pixels was
O(n^2) in the number of pixels. It also prevents us from having double
setter functions (floats/bytes).

Somewhat gracefully handle frame index out of bound error.

@mont29 We should look at how we handle this properly; I think that the
printf() causes too much console noise.

Saving & loading via temporary file.

Also allowing for image & icon sizes to be different.

Remove deletion of property from pose_previews add-on

Fix poselib.py to use new multiframes preview API.

Merge branch 'multi_previews_id' into temp-sybren-poselib

Merge branch 'master' into temp-sybren-poselib

Replace multi-dim array access to preview image frames by API functions.

Multi-dim array access in RNA is far (very, very far) from being
optimal, so for now let's use functions instead.

Merge branch 'master' into multi_previews_id

Merge branch 'master' into multi_previews_id

"Fix" desapearing previews issue.

More like a hack than anything else, need to figure out the correct way
to do that yet (in an efficient way), have the feeling a function would
work better somehow...

Add first version of poselib previews using new multi-preview ID stuff.

*Neraly* working, for some reason setting floats values for one frame
erase all other frames... Will check that tomorrow.

Merge branch 'multi_previews_id' into temp-sybren-poselib

PoseLIb preview: add a 'preview frame index' member to markers.

That way we don't have to move preview images around when reordering
markers (aka poses)!

Add multi-frame float access in RNA.

Merge branch 'master' into multi_previews_id

Added full rendering for preview images.

This really requires subprocessing to another Blender for faster rendering;
will come later after other improvements.

Use view_context=False to use active camera instead of viewport.

Merge branch 'multi_previews_id' into temp-sybren-poselib

Revert "Applied my work from temp-sybren-poselib branch."

This reverts commit ffb0ed305d87d236787163abbe33a921d3eaecf6.