Christophe de Vienne <christophe@unlish.com> [Mon, 26 Jan 2015 17:59:10 +0100] rev 11550
[tools] Provide a faster build_user
The main trick is to use a cache of user entities.
To do so, a few tools are needed since the entities are not supposed to be
copied around between connexions.
Related to #4870347