Reorganize project structure under hi-classifier/ and update dependencies

.gitignore

UniTest/synthetic/SyntheticDataset.py

UniTest/synthetic/fake_genome.fasta

hi-classifier/hiclassifier/__init__.py

hi-classifier/hiclassifier/annex_processing.py

hi-classifier/hiclassifier/auxiliary.py

hi-classifier/hiclassifier/bam.py

hi-classifier/hiclassifier/classify.py

hi-classifier/hiclassifier/digest.py

hi-classifier/hiclassifier/event_collector.py

hi-classifier/hiclassifier/filter_interchrom.py

hi-classifier/hiclassifier/filter_intrachrom.py

hi-classifier/hiclassifier/main.py

hi-classifier/hiclassifier/positionfrag.py

hi-classifier/hiclassifier/processing.py

hi-classifier/hiclassifier/processmanager.py

hi-classifier/hiclassifier/readmanager.py

hi-classifier/hiclassifier/restrictionsite.py

hi-classifier/hiclassifier/stats.py

hi-classifier/hiclassifier/writer.py