[dataimport] fix db-namespace default value handling
In a fresh new instance, the "db-namespace" option is set as empty
by default in the "sources" file.
This seems correct but empty string is not a valid pg_schema and
actually means that we should use "public"
.. _TutosPhotoWebSite:
Building a photo gallery with |cubicweb|
========================================
Desired features
----------------
* basically a photo gallery
* photo stored on the file system and displayed dynamically through a web interface
* navigation through folder (album), tags, geographical zone, people on the
picture... using facets
* advanced security (not everyone can see everything). More on this later.
.. toctree::
:maxdepth: 2
part01_create-cube
part02_security
part03_bfss
part04_ui-base
part05_ui-advanced