[bug 1035319] Added check for virtualenv.
[bug 1035319] Fix some venv stuff.
[bug 1035319] Add --no-site-packages.
[bug 1035319] Possible fix for text file busy.
[bug 1035319] Debug on environ path.
[bug 1035319] Change way we handle paths in deploy.
[bug 1035319] Remove global-site-packages.txt.
[bug 1035319] Removed extra venv activation.