cds: bundles and base package

* Adds the bundles.py file.

* Adapts the configuration in order to load invenio.base.

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

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Merge pull request #9 from greut/i18n

Initial translations