Refs #314 -- Read-only REST API (#513)

* initial commit

* API auth

* Hierarchical URLs

* Add session auth

* Strong hierarchy

* Add filters

* Add i18n fields, questions

* More viewsets and serializers

* Ticket download

* Add OrderPosition serializer

* View-level permissions

* More tests

* More tests

* Add basic API docs

* Add REST API to docs frontpage

* Tests for order endpoints

* Add invoice tests

* Voucher and waitinglist tests

* Doc draft

* order docs

* Docs on all viewsets

* Disable DRF docs, style sphinx, style browsable API

* Fix tests

* deprecated imports

* Test foo

* Attendee names

* Fix migration problems

* Remove browsable API, plugin integration

* Doc fixes

src/pretix/control/templates/pretixcontrol/base.html

@@ -232,7 +232,7 @@
                     {% if messages %}
                         {% for message in messages %}
                             <div class="alert {{ message.tags }}">
-                                {{ message }}
+                                {{ message|linebreaksbr }}
                             </div>
                         {% endfor %}
                     {% endif %}

src/pretix/control/templates/pretixcontrol/organizers/team_members.html

@@ -10,6 +10,7 @@
             {% trans "Edit" %}
         </a>
     </h2>
+    <h3>{% trans "Team members" %}</h3>
     <form action="" method="post">
         {% csrf_token %}
         <!-- Trick browsers into taking this as a default -->
@@ -18,7 +19,7 @@
             <thead>
             <tr>
                 <th>{% trans "Member" %}</th>
-                <th></th>
+                <th width="150"></th>
             </tr>
             </thead>
             <tbody>
@@ -70,6 +71,47 @@
             </tfoot>
         </table>
     </form>
+    <h3>{% trans "API tokens" %}</h3>
+    <form action="" method="post">
+        {% csrf_token %}
+        <!-- Trick browsers into taking this as a default -->
+        <button type="submit" class="btn btn-primary btn-sm btn-block nearly-gone"></button>
+        <table class="table table-condensed table-hover">
+            <thead>
+            <tr>
+                <th>{% trans "Name" %}</th>
+                <th width="150"></th>
+            </tr>
+            </thead>
+            <tbody>
+            {% for t in team.active_tokens %}
+                <tr>
+                    <td>
+                        {{ t.name }}
+                    </td>
+                    <td class="text-right">
+                        <button type="submit" name="remove-token" value="{{ t.id }}"
+                                class="btn btn-danger btn-sm btn-block">
+                            <i class="fa fa-times"></i> {% trans "Remove" %}
+                        </button>
+                    </td>
+                </tr>
+            {% endfor %}
+            </tbody>
+            <tfoot>
+            <tr>
+                <td>
+                    {% bootstrap_field add_token_form.name layout='inline' %}<br>
+                </td>
+                <td class="text-right">
+                    <button type="submit" class="btn btn-primary btn-sm btn-block">
+                        <i class="fa fa-plus"></i> {% trans "Add" %}
+                    </button>
+                </td>
+            </tr>
+            </tfoot>
+        </table>
+    </form>
     <div class="panel panel-default">
         <div class="panel-heading">
             <h3 class="panel-title">