Merge branch '147-redesign-exception-templates' into 'master'

Resolve "Redesign exception templates"

Closes #147

See merge request AlekSIS/AlekSIS!119

aleksis/core/templates/403.html

 {% extends "core/base.html" %}
 {% load i18n %}
 
-{% block page_title %}
- {% blocktrans %}Forbidden{% endblocktrans %}
-{% endblock %}
 
 {% block content %}
- <div class="jumbotron jumbotron-fluid">
-  <div class="container">
-   <p class="lead">
-     {{ exception|default:_('You are not allowed to access the requested page or object.') }}
-   </p>
-   <hr />
-   <p>
-    {% blocktrans %}
-     If you think this is an error in AlekSIS, please contact your site
-     administrators.
-    {% endblocktrans %}
-   </p>
-   <ul>
-    {% for admin in ADMINS %}
-     <li>
-      {{ admin.0 }}
-      &lt;
-      <a href="mailto:{{ admin.1 }}">
-       {{ admin.1 }}
-      </a>
-      &gt;
-     </li>
-    {% endfor %}
-   </ul>
+ <div class="container">
+  <div class="card-panel red">
+   <div class="card-content white-text">
+    <div class="material-icons">error_outline</div>
+    <span class="card-title">{% blocktrans %}Error (403): You are not allowed to access the requested page or object.{% endblocktrans %}</span>
+    <p>
+     {% blocktrans %}
+      If you think this is an error in AlekSIS, please contact your site
+     administrators:
+     {% endblocktrans %}
+    </p>
+    <div class="card-caction">
+     {% for admin in ADMINS %}
+      <li>
+       {{ admin.0 }}
+       &lt;
+       <a href="mailto:{{ admin.1 }}">
+        {{ admin.1 }}
+       </a>
+       &gt;
+      </li>
+     {% endfor %}
+    </div>
+   </div>
   </div>
  </div>
 {% endblock %}

aleksis/core/templates/404.html

 {% extends "core/base.html" %}
 {% load i18n %}
 
-{% block page_title %}
- {% blocktrans %}Not found{% endblocktrans %}
-{% endblock %}
 
 {% block content %}
- <div class="jumbotron jumbotron-fluid">
-  <div class="container">
-   <p class="lead">
-     {{ exception|default:_('The requested page or object was not found.') }}
-   </p>
-   <hr />
-   <p>
-    {% blocktrans %}
-     If you were redirected by a link on an external page,
-     it is possible that that link was outdated.
-    {% endblocktrans %}
-    {% blocktrans %}
-     If you think this is an error in AlekSIS, please contact your site
-     administrators.
-    {% endblocktrans %}
-   </p>
-   <ul>
-    {% for admin in ADMINS %}
-     <li>
-      {{ admin.0 }}
-      &lt;
-      <a href="mailto:{{ admin.1 }}">
-       {{ admin.1 }}
-      </a>
-      &gt;
-     </li>
-    {% endfor %}
-   </ul>
+ <div class="container">
+  <div class="card-panel red">
+   <div class="card-content white-text">
+    <div class="material-icons">error_outline</div>
+    <span class="card-title">{% blocktrans %}Error (404): The requested page or object was not found.{% endblocktrans %}</span>
+    <p>
+     {% blocktrans %}
+      If you were redirected by a link on an external page,
+      it is possible that that link was outdated.
+     {% endblocktrans %}
+     {% blocktrans %}
+      If you think this is an error in AlekSIS, please contact your site
+      administrators:
+     {% endblocktrans %}
+    </p>
+    <div class="card-caction">
+     {% for admin in ADMINS %}
+      <li>
+       {{ admin.0 }}
+       &lt;
+       <a href="mailto:{{ admin.1 }}">
+        {{ admin.1 }}
+       </a>
+       &gt;
+      </li>
+     {% endfor %}
+    </div>
+   </div>
   </div>
  </div>
 {% endblock %}

aleksis/core/templates/500.html

 {% extends "core/base.html" %}
 {% load i18n %}
 
-{% block page_title %}
- {% blocktrans %}Internal Server Error{% endblocktrans %}
-{% endblock %}
 
 {% block content %}
- <div class="jumbotron jumbotron-fluid">
-  <div class="container">
-   <p class="lead">
+ <div class="container">
+  <div class="card-panel red">
+   <div class="card-content white-text">
+    <div class="material-icons">error_outline</div>
+    <span class="card-title">{% blocktrans %}Error (500): An unexpected error has occured..{% endblocktrans %}</span>
+    <p>
      {% blocktrans %}
-      An unexpected error has occured.
-     {% endblocktrans %}
-   </p>
-   <hr />
-   <p>
-    {% blocktrans %}
-     Your site administrators will automatically be notified about this
+      Your site administrators will automatically be notified about this
      error.
-    {% endblocktrans %}
-   </p>
+     {% endblocktrans %}
+    </p>
+   </div>
   </div>
  </div>
 {% endblock %}

aleksis/core/templates/503.html

 {% extends "core/base.html" %}
 {% load i18n %}
 
-{% block page_title %}
- {% blocktrans %}Maintenance mode{% endblocktrans %}
-{% endblock %}
 
 {% block content %}
- <div class="jumbotron jumbotron-fluid">
-  <div class="container">
-   <p class="lead">
-    {% blocktrans %}
-     The maintenance mode is currently enabled. Please try again later.
-    {% endblocktrans %}
-   </p>
+ <div class="container">
+  <div class="card-panel red">
+   <div class="card-content white-text">
+    <div class="material-icons">error_outline</div>
+    <span class="card-title">{% blocktrans %}The maintenance mode is currently enabled. Please try again later.{% endblocktrans %}</span>
+    <p>
+     {% blocktrans %}
+      This page is currently unavailable. If this error stays, contact your site administrators:
+     {% endblocktrans %}
+    </p>
+    <div class="card-caction">
+     {% for admin in ADMINS %}
+      <li>
+       {{ admin.0 }}
+       &lt;
+       <a href="mailto:{{ admin.1 }}">
+        {{ admin.1 }}
+       </a>
+       &gt;
+      </li>
+     {% endfor %}
+    </div>
+   </div>
   </div>
  </div>
 {% endblock %}