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/permissions_tool/auth_hooks.py

@@ -0,0 +1,29 @@
+from . import urls
+
+from allianceauth import hooks
+from allianceauth.services.hooks import MenuItemHook, UrlHook
+
+
+class PermissionsTool(MenuItemHook):
+    def __init__(self):
+        MenuItemHook.__init__(self,
+                              'Permissions Audit',
+                              'fa fa-key fa-id-card grayiconecolor',
+                              'permissions_tool:overview',
+                              order=400,
+                              navactive=['permissions_tool:'])
+
+    def render(self, request):
+        if request.user.has_perm('permissions_tool.audit_permissions'):
+            return MenuItemHook.render(self, request)
+        return ''
+
+
+@hooks.register('menu_item_hook')
+def register_menu():
+    return PermissionsTool()
+
+
+@hooks.register('url_hook')
+def register_url():
+    return UrlHook(urls, 'permissions_tool', r'^permissions/')