[phenixbb] Phenix 1.20 release candidates

Hi everyone, We are doing a final Python 2.7 release of Phenix and the first release candidate is available from https://phenix-online.org/download/nightly_builds.cgi This release will contain several new features, such as tools for using AlphaFold models. The release after that is planned to be in Python 3.7. Thanks! -- Billy K. Poon Research Scientist, Molecular Biophysics and Integrated Bioimaging Lawrence Berkeley National Laboratory 1 Cyclotron Road, M/S 33R0345 Berkeley, CA 94720 Fax: (510) 486-5909 Web: https://phenix-online.org