Added Faster-RCNN. Minor changes to YOLO evaluation script

faster_RCNN/backbone/fpn101.py

faster_RCNN/backbone/hrnet.py

faster_RCNN/backbone/mobilenet.py

faster_RCNN/backbone/resnet50_fpn_model.py

faster_RCNN/backbone/vgg16.py

faster_RCNN/config/test_config.py

faster_RCNN/config/train_config.py

faster_RCNN/dataloader/coco_dataset.py

faster_RCNN/dataloader/sphaera_dataset.py

faster_RCNN/eval.py

faster_RCNN/requirements.txt

faster_RCNN/test/anchor_utils_test.py

faster_RCNN/train.py

faster_RCNN/utils/BoundingBox.py

faster_RCNN/utils/BoundingBoxes.py

faster_RCNN/utils/Evaluator.py

faster_RCNN/utils/anchor_utils.py

faster_RCNN/utils/boxes_utils.py

faster_RCNN/utils/coco_utils.py

faster_RCNN/utils/det_utils.py