Changes the run_tests.sh and /tools/install_venv.py scripts to be more user-friendly and not depend on PIP while not in the virtual environment.  Running run_tests.sh should not just work out of the box on all systems supporting easy_install...
Changes the run_tests.sh and /tools/install_venv.py scripts to be more user-friendly and not depend on PIP while not in the virtual environment.  Running run_tests.sh should not just work out of the box on all systems supporting easy_install...
n0ano/gantt,n0ano/gantt