message: Finalize changelog for v1.37.2
diff: # Change Log
  -## [1.37.2] - Development
  +## [1.37.2] - 2020-09-06
  ### Added
  - Added support for texture baking from Python, including new example script [baketextures.py](python/Scripts/baketextures.py).
  - Added support for floating-point render targets in ShaderRenderer and its subclasses, allowing for HDR texture baking.
  - Added support for displacement shaders in generated OSL.
  - Added the ShaderTranslator class, laying the groundwork for support of shader translation graphs.
  +- Added Python bindings for the Image class.
  ### Fixed
  - Fixed the alignment of environment backgrounds in the viewer.
  