Spring cleaning template styles (#4124)

rest_framework/templates/rest_framework/admin/detail.html

 {% load rest_framework %}
 <table class="table table-striped">
-    <tbody>
-        {% for key, value in results.items %}
-        {% if key in details %}
+  <tbody>
+    {% for key, value in results.items %}
+      {% if key in details %}
         <tr><th>{{ key|capfirst }}</th><td {{ value|add_nested_class }}>{{ value|format_value }}</td></tr>
-        {% endif %}
-        {% endfor %}
-    </tbody>
+      {% endif %}
+    {% endfor %}
+  </tbody>
 </table>

rest_framework/templates/rest_framework/admin/list.html

 {% load rest_framework %}
 <table class="table table-striped">
-    <thead>
-        <tr>{% for column in columns%}<th>{{ column|capfirst }}</th>{% endfor %}<th></th></tr>
-    </thead>
-    <tbody>
-        {% for row in results %}
-        <tr>
-            {% for key, value in row.items %}
-                {% if key in columns %}
-                <td {{ value|add_nested_class }} >
-                    {{ value|format_value }}
-                </td>
-                {% endif %}
-            {% endfor %}
-            <td>
-                <a href="{{ row.url }}"><span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span></a>
+  <thead>
+    <tr>{% for column in columns%}<th>{{ column|capfirst }}</th>{% endfor %}<th></th></tr>
+  </thead>
+  <tbody>
+    {% for row in results %}
+      <tr>
+        {% for key, value in row.items %}
+          {% if key in columns %}
+            <td {{ value|add_nested_class }} >
+              {{ value|format_value }}
             </td>
-        </tr>
+          {% endif %}
         {% endfor %}
-    </tbody>
+        <td>
+          <a href="{{ row.url }}"><span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span></a>
+        </td>
+      </tr>
+    {% endfor %}
+  </tbody>
 </table>

rest_framework/templates/rest_framework/admin/list_value.html

 {% load rest_framework %}
 <table class="table table-striped">
-    <tbody>
-        {% for item in value %}
-        <tr>
-            <th>{{ forloop.counter0 }}</th>
-            <td>{{ item|format_value }}</td>
-        </tr>
-        {% endfor %}
-    </tbody>
+  <tbody>
+    {% for item in value %}
+      <tr>
+        <th>{{ forloop.counter0 }}</th>
+        <td>{{ item|format_value }}</td>
+      </tr>
+    {% endfor %}
+  </tbody>
 </table>