Fix for bug 900316
Fix for bug 900316

This fixes the --venv and --user install options as well as the path in the
cli script.

Change-Id: Ie9f265ca248db3d91ff92b7dc3090e1bfdbb0eb6

wolverineav/networking-bigswitch,stackforge/networking-bigswitch,openstack/networking-bigswitch,stackforge/networking-bigswitch,wolverineav/networking-bigswitch,openstack/networking-bigswitch