Fixes for training Yolo on small objects

AlexeyAB

2018-02-07 9ff40baa4f0b005d50c4e3302b4103551160943f

 .circleci/config.yml

@@ -8,4 +8,5 @@
    steps:
      - checkout
      - run: make LIBSO=1 GPU=0 CUDNN=0 OPENCV=0 -j 8      
      - run: make clean      
      - run: make LIBSO=1 GPU=1 CUDNN=1 OPENCV=1 -j 8