Lots bounce emails related fixes

- Show bounce score on user admin page
- Added reset bounce score button on user admin page
- Only whitelisted email types are sent to emails with high bounce score
- FIX: properly detect bounces even when there is no TO: header in the email
- Don't desactivate a user when reaching the bounce threshold

app/assets/javascripts/admin/templates/email-bounced.hbs

@@ -6,7 +6,6 @@
         <th>{{i18n 'admin.email.user'}}</th>
         <th>{{i18n 'admin.email.to_address'}}</th>
         <th>{{i18n 'admin.email.email_type'}}</th>
-        <th>{{i18n 'admin.email.skipped_reason'}}</th>
       </tr>
     </thead>
 
@@ -15,7 +14,6 @@
       <td>{{text-field value=filter.user placeholderKey="admin.email.logs.filters.user_placeholder"}}</td>
       <td>{{text-field value=filter.address placeholderKey="admin.email.logs.filters.address_placeholder"}}</td>
       <td>{{text-field value=filter.type placeholderKey="admin.email.logs.filters.type_placeholder"}}</td>
-      <td>{{text-field value=filter.skipped_reason placeholderKey="admin.email.logs.filters.skipped_reason_placeholder"}}</td>
     </tr>
 
     {{#each model as |l|}}
@@ -31,16 +29,9 @@
         </td>
         <td><a href='mailto:{{unbound l.to_address}}'>{{l.to_address}}</a></td>
         <td>{{l.email_type}}</td>
-        <td>
-          {{#if l.post_url}}
-            <a href="{{l.post_url}}">{{l.skipped_reason}}</a>
-          {{else}}
-            {{l.skipped_reason}}
-          {{/if}}
-        </td>
       </tr>
     {{else}}
-      <tr><td colspan="5">{{i18n 'admin.email.logs.none'}}</td></tr>
+      <tr><td colspan="4">{{i18n 'admin.email.logs.none'}}</td></tr>
     {{/each}}
 
   </table>

app/assets/javascripts/admin/templates/user-index.hbs

@@ -350,7 +350,20 @@
   <div class="display-row">
     <div class='field'>{{i18n 'admin.user.staged'}}</div>
     <div class='value'>{{model.staged}}</div>
-    <div class='controls'>{{i18n 'admin.user.stage_explanation'}}</div>
+    <div class='controls'>{{i18n 'admin.user.staged_explanation'}}</div>
+  </div>
+
+  <div class="display-row">
+    <div class='field'>{{i18n 'admin.user.bounce_score'}}</div>
+    <div class='value'>{{model.bounceScore}}</div>
+    <div class='controls'>
+      {{#if model.canResetBounceScore}}
+        <button class='btn' {{action "resetBounceScore" target="content"}} title={{i18n "admin.user.reset_bounce_score.title"}}>
+          {{i18n "admin.user.reset_bounce_score.label"}}
+        </button>
+      {{/if}}
+      {{model.bounceScoreExplanation}}
+    </div>
   </div>
 </section>