address refactoring: resolve lack of flexibility for many implementations (modal/not, overriding, options, etc. )

address creation/edition is unchanged
many variables are renamed to improve logic and readability

src/Bundle/ChillPersonBundle/Resources/views/Address/edit.html.twig

@@ -18,15 +18,15 @@
 
 {% set activeRouteKey = '' %}
 
-{% block title 'Modify address for %name%'|trans({ '%name%': person.firstName ~ ' ' ~ person.lastName } ) %}
+{% block title 'Edit an address'|trans %}
 
 {% block personcontent %}
-<div class="address-new">
-            
-            {% block content %}
-                <h1>{{ block('title') }}</h1>
-                <div id="address"></div>
-            {% endblock %}
+<div class="address-edit">
+
+    {% block content %}
+        <h1>{{ block('title') }}</h1>
+        <div id="address"></div>
+    {% endblock %}
 
 </div>
 {% endblock %}