Issue #131: calling newly created ci/test_pip_installer.sh script for Python 3 checks from pip-installer CI script as well
Issue #131: calling newly created ci/test_pip_installer.sh script for Python 3 checks from pip-installer CI script as well

NifTK/NiftyNet,NifTK/NiftyNet,NifTK/NiftyNet,NifTK/NiftyNet