Update instructions for mac builds
Update instructions for mac builds

jbosstm/narayana,gytis/narayana,mmusgrov/narayana,gytis/narayana,tomjenkinson/narayana,tomjenkinson/narayana,jbosstm/narayana,mmusgrov/narayana,jbosstm/narayana,mmusgrov/narayana,tomjenkinson/narayana,gytis/narayana,mmusgrov/narayana,tomjenkinson/narayana,gytis/narayana,gytis/narayana,jbosstm/narayana,gytis/narayana