Opencolorio

* Added optional compatibility for building apps with OpenImageIO 1.9+
* Added USE_SSE checks to fix Linux build failure
* getDisplays() result ordering now matches the active_displays config
definition or OCIO_ACTIVE_DISPLAYS env var override.
* Fixed incorrect getDefaultDisplay()/getDefaultView() result when
OCIO_ACTIVE_DISPLAYS or OCIO_ACTIVE_VIEWS env vars are unset.
* Fixed Windows-specific GetEnv() bug
* Fixed Windows and MacOS CI failure cases

* libc++ build fixes
* Added support for YAML > 5.0.1
* YAML and TinyXML patch fixes
* Clang visibility fix
* Added write support for Truelight LUTs
* Improved OCIOYaml
* Python string corruption fix
* Added support for CDL
* Updated documentation
* Added args/kwargs support to Python MatrixTransform
* Added description field to Look objects
* Improved Python 3 compatibility
* CSP file read fix
* Added Linux, MacOS, and Windows continuos integration
* Improved 1D LUT extrapolation
* Improved 1D LUT negative handling
* Improved Windows build system
* Improved cross-platform build system
* Undefined role crash fix
* After Effects plugin updated
* Added reference Photoshop plugin
* Added reference Docker image

* CDL cccid supports both named id and index lookups
* ociobakelut / ocioconvert updates
* FreeBSD compile dixes
* FileTransform disk cache allows concurrent disk lookups
* CSP windows fix
* Python 3 support
* Fix envvar abs/relative path testing
* Can explicitly declare config envvars
* gcc44 compile warning fixes

* After Effects plugin
* Core increased precision for matrix inversion
* Core md5 symbols no longer leaked
* CMake compatibility with OIIO 1.0 namespacing
* Cmake option to control python soname
* Nuke register_viewers defaults OCIODisplay to "all"
* Nuke ColorLookup <-> spi1d lut examples
* Windows uses boost shared_ptr by default
* Windows fixed csp writing
* Windows build fixes
* ociobakelut supports looks

* IRIDAS .look support
* ociolutimage utility added (handles image <-> 3dlut)
* CMake build allows optional reliance on system libraries
* CMake layout changes for python and nuke installs
* Bumped internals to yaml 0.3.0, pystring 1.1.2
* Optimized internal handling of Matrix / Exponent Ops
* Added INTERP_BEST interpolation option
* Python config.clearLooks() added
* Python docs revamp
* Nuke config-dependent knob values now baked into .nk scripts
* Nuke OCIOLookTransform gets reload button
* Nuke nodes get updated help text

* JNI (Java) updates
* ocioconvert arbitrary attr support