message: Update changelog for work in progress on v1.36
diff: # Change Log
  +## [1.36.0] - Development
  +
  +Updating the MaterialX library to the v1.36 specification.
  +
  +### Added
  +- Added support for inheritance attributes on MaterialX\:\:Material and MaterialX\:\:Look.
  +- Added support for include and exclude attributes on MaterialX\:\:Collection.
  +- Added support for MaterialX\:\:NodeDef inheritance.
  +- Added the MaterialX\:\:Variant, MaterialX\:\:VariantSet, and MaterialX\:\:VariantAssign classes.
  +- Added the MaterialX\:\:Token class for string substitutions.
  +- Added the MaterialX\:\:GeomPath class for geometry name comparisons.
  +- Added the Collection\:\:matchesGeomString method, for testing matches between collections and geometries.
  +- Added the Material\:\:getGeometryBindings method, for finding the bindings of a material to specific geometries.
  +
  +### Changed
  +- Removed the MaterialX\:\:MaterialInherit and MaterialX\:\:LookInherit classes.
  +- Removed the MaterialX\:\:CollectionAdd and MaterialX\:\:CollectionRemove classes.
  +- Removed the MaterialX\:\:Override class and support for public names.
  +- Removed the Material::getReferencingMaterialAssigns method (deprecated in Python).
  +
  ## [1.35.5] - 2018-05-07
  ### Added
  