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

* remove warning from yaml and dbsampler

* bugfixed: support gt_sampling with empty scenes, add logger without log_file

* abstract load_data_to_gpu function in train/test

* add comments for supporting costum dataset

* add codes for creating kitti infos and gt database

add dataset template codes with data_augmentor and data_processor structure in the unified normative coodinates, and utils codes