[bug 825610] Add google-api-python-client to vendor.
[bug 825610] Added python-gflags to vendor.
[bug 825610] Add pyOpenSSL to compiled requirements.
[bug 825610][bug 820930] Use Google Analytics for visitor KPI data.
[bug 825609] Use Google Analytics for visits by locale data.
[bug 825616] Use Google Analytics for document views.
Removed no longer used webtrends module.
Properly indent mocked GA responses.
Remove webtrends settings.