Tag for HM 16.22

The following changes were added:

  • JCTVC-AK0026 / JCTVC-AL0023: shutter interval info SEI message
  • JCTVC-AK0030 - Modified RA configuration files so that DPB limits not exceeded.
  • Added Encoder-side DPB check
  • Add parcat tool for segment-wise coding
  • Merge back software manual updates from VTM
  • fix #1506: film grain SEI encoder use wrong bits to signal num_model_values_minus1
  • Added new GOP8 lowdelay configuration files