Merge pull request #18 from oadan79/master

sync
Merge pull request #19 from oadan79/master

Modificat l'esquema sql de Organizational Unit i creat el grocery crud c...
Corregitts alguns enllaços i breadcrumbs. Modificat l'estil del peu.
Merge branch 'master' of https://github.com/acacha/ebre-escool