minor fixes in french translation
minor fixes in french translation

nickburlett/feincms,feincms/feincms,mjl/feincms,mjl/feincms,matthiask/feincms2-content,michaelkuty/feincms,matthiask/django-content-editor,matthiask/feincms2-content,michaelkuty/feincms,joshuajonah/feincms,matthiask/django-content-editor,joshuajonah/feincms,feincms/feincms,matthiask/django-content-editor,michaelkuty/feincms,joshuajonah/feincms,nickburlett/feincms,nickburlett/feincms,nickburlett/feincms,joshuajonah/feincms,feincms/feincms,matthiask/django-content-editor,matthiask/feincms2-content,michaelkuty/feincms,mjl/feincms