New features and bug fixes

[Daniel Lombraña González]

Hi again,

I have fixed a bug on user names, and now it is possible to see a
beautiful ranking for volunteers, so now it is possible to compete for
¿prizes? :)

I'm going to add the same ranking for suppliers, so suppliers can
compete between them too ;)

To update to the latest code you only have to git clone or git pull.

Daniel

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PhD Candidate
Cátedra Ceta-Ciemat de la Universidad de Extremadura
http://jarifa.unex.es/
Universidad de Extremadura
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Por favor, NO utilice formatos de archivo propietarios para el
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o cualquier otro que no obligue a utilizar un programa de un
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