Adding "Paplink" feature (#401)

* Initial testing of paplink functionality. More fancy interfaces coming.

* Removed a invalid view reference.

* Added a link on the front page.

* Fixed some bad references and incorrect in game browser header usages.

* Started work on statistics-pages.

* Added an initial modify-paplink page where the pap itself can be deleted and characters removed.

* Added a very simple statistics page. Also some name change for ~reasons~.

* Small but crucial fix of syntax.

* Added personal statistics page.

* Corputils page now include fatlinkstats.

* Added link to the personal statistics page. Moved other buttons for clarity.

* Removed some unused code and imports

* Added more statistics, and all corps in alliance are now visible even if no paps are registered.

* Now requesting trust for the right domain. And some redundant imports and commented lines are removed.

stock/templates/public/base.html

@@ -176,6 +176,12 @@
                                 </li>
                             {% endif %}
 
+                            <li>
+                            <a {% ifequal request.path "/fat/" %} class="active" {% endifequal %}
+                                                                         href="{% url 'auth_fatlink_view' %}"><i
+                                    class="fa fa-users fa-lightbulb-o grayiconecolor"></i> Fleet Activity Tracking</a>
+                             </li>
+
                             <li>
                                 <a {% ifequal request.path "/srp/" %} class="active" {% endifequal %}
                                                                       href="{% url 'auth_srp_management_view' %}"><i