GitLab

* Make TensorBoard more concise

* Export only metrics using 40 recalll positions

* bugfixed: support merge_all_iters_to_one_epoch in dataloader

support merge_all_iters_to_one_epoch to avoid deadlock when switching epochs, eval last 10 epochs after training (#137)

support merge_all_iters_to_one_epoch to avoid deadlock when switching epochs, eval last 10 epochs after training

* abstract load_data_to_gpu function in train/test

* add dist_test.sh script for multi-gpu testing

* update README.md

* add codes for creating kitti infos and gt database