Removed pedigree from gitignore
Removed pedigree from gitignore

tmarathe/phenomecentral.org,veronikaslc/phenomecentral.org,phenotips/phenomecentral.org,tmarathe/phenomecentral.org,phenotips/phenomecentral.org,phenotips/phenomecentral.org,veronikaslc/phenomecentral.org