Added log when Magma runtime exception is encountered
OPAL-2680 Taxonomy version removed
OPAL-2680 Taxonomy related exception mappers added
OPAL-2680 Taxonomy browser (no edition yet)
OPAL-2680 Basic add taxonomy added.
OPAL-2680 Obiba taxonomy added
OPAL-2680 Allow import of built-in taxonomies from admin page
OPAL-2680 Large text area for taxonomy descriptions
OPAL-2680 Taxonomies resources are accessible read-only to any authenticated user