1.1.0 Added new models and datasets, updated preprocessing and more

New features:

• Supports both box (4 coordinate) and key-point (2 coordinate) annotations
• Updated extract clips preprocessing options
• Added video preprocessing for scaling/zoom and translation
• Added gradient clipping
• Resume training

Added Models:

• I3D (activity recognition)
• DVSA (+fw, obj) (video object grounding)

Added Datasets:

• YouCook2-Bounding Boxes (video object grounding)
• DHF1K (video saliency prediction)
• KTH (activity recognition)
• Manual Hands (hand key-point detection)

Bug fixes:

• Clip stride must be greater than 0
• Reset validation accuracy between epochs
• Matching training and validation batch sizes for plots
• Update COCO json generation to python3