refactoring + packaging

Datasets/dataset_formatters/generic_dataset_formatter.py

Datasets/dataset_formatters/read2016_formatter.py

Datasets/dataset_formatters/rimes_formatter.py

Datasets/dataset_formatters/simara_formatter.py

Datasets/dataset_formatters/utils_dataset.py

Fonts/list_fonts_read_2016.txt

Fonts/list_fonts_rimes.txt

LICENSE_CECILL-C.md

OCR/line_OCR/ctc/main_line_ctc.py

OCR/line_OCR/ctc/main_syn_line.py

OCR/line_OCR/ctc/models_line_ctc.py

OCR/line_OCR/ctc/trainer_line_ctc.py

OCR/ocr_manager.py

README.md

basic/generic_dataset_manager.py

basic/generic_training_manager.py

basic/metric_manager.py

basic/scheduler.py

basic/transforms.py

basic/utils.py