person: add civility: entity, migration, form, twig, config

src/Bundle/ChillPersonBundle/Resources/views/Person/view.html.twig

@@ -51,6 +51,15 @@ This view should receive those arguments:
             <figure class="person-details">
                 <h2 class="chill-red">{{ 'General information'|trans }}</h2>
                 <dl>
+                    {% if person.civility is not null %}
+                        <dt>{{ 'Civility'|trans }}&nbsp;:</dt>
+                        <dd>
+                        {% if person.civility.name|length > 0 %}
+                        {{ person.civility.name|first }}
+                        {% endif %}
+                        </dd>
+                    {% endif %}
+
                     <dt>{{ 'First name'|trans }}&nbsp;:</dt>
                     <dd>{{ person.firstName }}</dd>