[Bf-committers] clang-format in master

[Campbell Barton]

Today Blender's source code was reformatted using clang-format,
this means all committers who work on C/C++/GLSL need to have
clang-format installed and integrated with their development
environment.

Most popular editors/IDE's can configure this to format on save
so it shouldn't add overhead to your workflow once it's setup.

There is a wiki for more detailed information as well as steps for
merging/rebasing existing branches, see:

https://wiki.blender.org/wiki/Tools/ClangFormat

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- Campbell