segment log_r_r difference
update test.
update blessed build.
operate on the copy
keep header in intersected
add migration to make model_group_id nullable
Update formatting of existing tests in BamQc.t
Add ErrorRate tests to BamQc.t
Don't run ErrorRate if aligning with bsmap
Use Set::Scalar to make an aligner blacklist
Clean up _should_run_error_rate_for_pp.

It's valid to pass undef to Set::Scalar::has() so there's no reason to
check for it.
Merge pull request #258 from acoffman/make_model_group_id_nullable

Add migration to make model_group_id nullable
add tagged planfile
Merge pull request #251 from gatoravi/update_microarray_cnv

clinseq: update cnv calling from microarrays.
Merge pull request #260 from iferguson90/no-errorrate-with-bsmap

No errorrate with bsmap