Blender Git Loki

UI: split ui_button_execute_do into begin/end

UI: butstore API to generalize button storage for modal handlers

Cycles Standalone: Expose Shader settings in the xml api.

Cycles Standalone: Exit when no xml file can be found.

some systems didnt define NULL

ListBase API: add utility api funcs for clearing and checking empty

Texture Nodes: "At" distortion node was missing from the add menu.

Fix T38538: repeat history menu show operators that can't be repeated.

Bevel Modifier: fix bug T37916, bad result after mirror modifier.

Bevel needs the vertex normals to be correct and they are not
normally recalculated after a previous modifier, like mirror.
Adding 'dependsOnNormals' -> returns true to modifier info
for Bevel fixes the problem.

UI: avoid O(n2) for old button lookups since both lists are almost always aligned

Code cleanup: move old->new button search into ui_but_find_old

Fix for button comparisons ignoring rna-index

Add Tabs for Movie Clip Editor

Based on the patch from Sebastian Koenig, discussed with Jonathan Williamson

https://developer.blender.org/T38172

Also removed redundant modes from clip editor.

Reviewers: brecht, carter2422

Reviewed By: carter2422

CC: sebastian_k, carter2422

Differential Revision: https://developer.blender.org/D293

Fix T38370: Ubuntu 14.04 opencolorio segfaults blender on parsing colormanagement/config.ocio

Ubuntu hack: add a --libyaml-cpp-ver parameter, to try to force installing a given version of this lib...
(only for DEB-like distro, I dare hope Trusty (!) is the only affected distro.
Not happy at all to have such things here, this is actually an Ubuntu bug, but will have to live with it I guess.

Fix T36979: wrong render of textured mesh lights with multiple importance sampling.

Fix T38521: skin modifier crash with zero radius vertices.

Fix T38503: crash in non-threadsafe VBO free code during render.

Quiet warning

* Typo fix.

UI: Fix Cloth panel after 28936a415076, was too large and looked bad.

* Move Sewing Springs to a dedicated panel, the "Cloth" panel is too crowded already, and the sewing springs feature is nicely isolated.