Restructure Alliance Auth package (#867)

* Refactor allianceauth into its own package

* Add setup

* Add missing default_app_config declarations

* Fix timerboard namespacing

* Remove obsolete future imports

* Remove py2 mock support

* Remove six

* Add experimental 3.7 support and multiple Dj versions

* Remove python_2_unicode_compatible

* Add navhelper as local package

* Update requirements

allianceauth/static/js/timers.js

@@ -0,0 +1,15 @@
+/**
+* Get a duration string like countdown.js
+* e.g. "1y 2d 3h 4m 5s"
+* @param duration moment.duration
+*/
+function getDurationString(duration) {
+    var out = "";
+    if (duration.years()) {
+        out += duration.years() + 'y ';
+    }
+    if (duration.days()) {
+        out += duration.days() + 'd ';
+    }
+    return out + duration.hours() + "h " + duration.minutes() + "m " + duration.seconds() + "s";
+}