fix for missing ROI
add missing commas
change to all spaces
CHANGELOG
Changes to SummarizeMutationSpectrum:
* Excluding GL contigs is now an option and off by default.
* Heterozygous variants where there is no reference allele are now
  included in the calculation.
Drop use of gmt analysis mutation-spectrum
removing deprecated mutation spectrum tool
set GL exclusion as default
Merge branch 'master' into gms-host