general: fix for default PACKAGES

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
babel: initial translations

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
installation: setuptools-bower from PyPI

Signed-of-by: Yoan Blanc <yoan.blanc@cern.ch>
installation: bower base configuration

* Defines .bowerrc for the static files.

* Adds base file to create the bower.json.

* Ignores the bower.json and vendors.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
installation: development in extras_require

* Adds the Flask Debugtoolbar.

* Adds setuptools-bower.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>