main Makefile: python-Linux, postgres-Linux: Fixed bug where apt-get installs needed to each be run in a separate command, so that if any package was not found, the other packages would still install. (apt-get aborts on the first invalid package name.)
main Makefile: python-Linux, postgres-Linux: Fixed bug where apt-get installs needed to each be run in a separate command, so that if any package was not found, the other packages would still install. (apt-get aborts on the first invalid package name.)