Ignore files that ends with _mask and _result. This way previous prediction results won't be predicted again.
The changes have passed my local checks.

在 298 行调用 get_images_from_dir 时，文件后缀忘传了，导致infer脚本只能推理 jpg或jpeg 格式的图片

Co-authored-by: N陈亮 <chenliang@daheng-image.com>

* update model save load

* first add

* update model save and load

* update train.py

* update LaneNet model saving and loading

* adapt slim to paddle-1.8

* update distillation save and load

* update nas model save and load

* update model load op

* update utils.py

* update load_model_utils.py

* update model saving and loading

* update copyright

* update palette.py

* update infer.py