Add instructions for running the unit tests to the README.txt file.
Add instructions for running the unit tests to the README.txt file.

pcingola/server,macieksmuga/server,ohsu-computational-biology/server,jeromekelleher/server,ohsu-computational-biology/server,UMMS-Biocore/ga4gh-server,david4096/ga4gh-server,pansapiens/server,pcingola/server,ekalosak/server,ga4gh/server,ekalosak/server,diekhans/ga4gh-server,srblum/server,shajoezhu/server,UMMS-Biocore/ga4gh-server,shajoezhu/server,macieksmuga/server,ohsu-computational-biology/server,adamnovak/server,dcolligan/server,dcolligan/server,srblum/hackathon-server,ga4gh/server,hjellinek/server,pansapiens/server,srblum/hackathon-server,diekhans/ga4gh-server,saupchurch/server,adamnovak/server,jeromekelleher/server,saupchurch/server,srblum/hackathon-server,ga4gh/server,adamnovak/server,dcolligan/server,ekalosak/server,pcingola/server,srblum/server,hjellinek/server,UMMS-Biocore/ga4gh-server,saupchurch/server,hjellinek/server,srblum/server,diekhans/ga4gh-server,macieksmuga/server,david4096/ga4gh-server,david4096/ga4gh-server,pansapiens/server