message: Add changelog entry, re-shuffle enums to minimize potential API change
diff: @@ -30,10 +30,10 @@ typedef enum
  OSP_TEXTURE_SRGB,
  OSP_TEXTURE_RGB32F,
  OSP_TEXTURE_R8,
  - OSP_TEXTURE_RA8,
  + OSP_TEXTURE_R32F,
  OSP_TEXTURE_L8,
  + OSP_TEXTURE_RA8,
  OSP_TEXTURE_LA8,
  - OSP_TEXTURE_R32F,
  /*! denotes an unknown texture format, so we can properly initialize parameters */
  OSP_TEXTURE_FORMAT_INVALID = 0xff,
  /* TODO
  