2.0.2

Major:
-> streamlined top-level to be more modular / easier to insert new stages
-> re-using new modules for single-shot + tutorial mode

Minor:
-> cleaned up DNA_db line so there's only 1
-> added DB status checks

bugfixes:
-> wait issue with GA final merge proteins
-> support for DNA_DB path optionally ending in '/'
-> MGM license check
-> bypasser for contig formation in small datasets.