Refactor: Extract subroutines for IDing build types.
Remove inaccurate and redundant comments.
Refactor: extract method summarize_haploid_coverage_for_build
Break up long lines using join.
Refactor: extract method _determine_wgs_or_exome_for_instrument_data
Refactor: extract method summarize_sample_and_library_metrics_for_build
Use existing flagstat parser instead of rolling our own.
Use existing filename sanitizer.
Refactor: extract method summarize_instrument_data_reports_for_build
Refactor: extract method summarize_library_quality_reports_for_build

chdir back to where we were once done running illumina_info
Skip out early if skip_lims_reports is set.