Capture signals sent by admin proxy models.

This will prevent those weird missing UserProfile and AuthGroup errors.
Add logging to authentication signals.
Correct reverse migration authservicesinfo creation.
Rename proxy models so they look better on the admin site.

allianceauth/authentication/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
-from django.contrib.auth.models import User, Permission
+from django.contrib.auth.models import User as BaseUser, Permission as BasePermission
 from django.utils.text import slugify
 from allianceauth.services.hooks import ServicesHook
 
@@ -120,7 +120,7 @@ class CharacterOwnershipAdmin(admin.ModelAdmin):
 
 class PermissionAdmin(admin.ModelAdmin):
     actions = None
-    readonly_fields = [field.name for field in Permission._meta.fields]
+    readonly_fields = [field.name for field in BasePermission._meta.fields]
     list_display = ('admin_name', 'name', 'codename', 'content_type')
     list_filter = ('content_type__app_label',)
 
@@ -136,21 +136,22 @@ class PermissionAdmin(admin.ModelAdmin):
 
 
 # Hack to allow registration of django.contrib.auth models in our authentication app
-class ProxyUser(User):
+class User(BaseUser):
     class Meta:
         proxy = True
-        verbose_name = User._meta.verbose_name
-        verbose_name_plural = User._meta.verbose_name_plural
+        verbose_name = BaseUser._meta.verbose_name
+        verbose_name_plural = BaseUser._meta.verbose_name_plural
 
 
-class ProxyPermission(Permission):
+class Permission(BasePermission):
     class Meta:
         proxy = True
-        verbose_name = Permission._meta.verbose_name
-        verbose_name_plural = Permission._meta.verbose_name_plural
+        verbose_name = BasePermission._meta.verbose_name
+        verbose_name_plural = BasePermission._meta.verbose_name_plural
+
 
 try:
-    admin.site.unregister(User)
+    admin.site.unregister(BaseUser)
 finally:
-    admin.site.register(ProxyUser, UserAdmin)
-    admin.site.register(ProxyPermission, PermissionAdmin)
+    admin.site.register(User, UserAdmin)
+    admin.site.register(Permission, PermissionAdmin)