New features to the rosetta

Hi,

We have a old rosetta with modifications. And we think that is better share these with the community.

These features are:
 * Link to restart the server
 * Form to update a catalogue/current catalogue
 * Links to change to the easy way to other language (same catalogue)
 * Detect if this catalogue have some translation in other catalogue with more priority
 * Update in the catalogue with more priority

These features are coding for (in temporal order):

 * Manuel Saelices
 * Antonio Perez Aranda
 * Pablo Martín
 * Lorenzo Gil
 * Emilio Sanchez
 * Emilio Jimenez
 * Jorge Correa
 * Diego Muñoz
 * Pablo Recio 

I suppose that you have many question...