Merge branch 'develop' of git+ssh://git@github.com/Dolibarr/dolibarr.git into develop

htdocs/admin/modules.php

htdocs/core/modules/contract/modules_contract.php

htdocs/core/modules/dons/modules_don.php

htdocs/core/modules/export/export_csv.modules.php

htdocs/core/modules/export/export_excel.modules.php

htdocs/core/modules/export/export_excel2007.modules.php

htdocs/core/modules/export/export_tsv.modules.php

htdocs/core/modules/export/modules_export.php

htdocs/fichinter/fiche.php

htdocs/install/mysql/migration/3.1.0-3.2.0.sql