Kotti-google-analytics

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- FIxed error caused by click

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- Fixed rst files.

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- Added Google visualization for reports.
- Added `kotti_controlpanel`_ kotti package, in order to save Google Analytics settings.
- Added `Google Analytics Embed API`_ for visualizations.
- Added `googleanalytics`_ python package to generate access token for Google Analytics.

.. _Google Analytics Embed API: https://ga-dev-tools.appspot.com/
.. _kotti_controlpanel: https://pypi.python.org/pypi/kotti_controlpanel
.. _googleanalytics: https://pypi.python.org/pypi/googleanalytics

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- Set the tracking code to be placed in the slot below the content area.

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- Added Tracking code

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- Create package with ``pcreate -s kotti kotti_google_analytics``.