Refactor seal_version moving main() into a module
Refactor seal_recab_table_fetch moving main() into a module
Refactor seal_seqal moving main() into a module
Refactor seal_distcp_files moving main() into a module
Renamed distcp_files_main to distcp_files
Change all main fns to receive args and return exit code
Refactor bwa_index_to_mmap moving main() into a module
Implement single "seal" launch command with sub-commands
Update integration tests for single launch command
Remove old-style launch scripts