Fixed #17642 -- Added min_num support to modelformsets, inlines, and the admin.

Thanks Stephen Burrows for work on the patch as well.

Forwardport of 2914f66983 from stable/1.7.x

tests/generic_inline_admin/admin.py

@@ -1,8 +1,8 @@
 from django.contrib import admin
 from django.contrib.contenttypes.admin import GenericTabularInline
 
-from .models import (Media, PhoneNumber, Episode, EpisodeExtra, Contact,
-    Category, EpisodePermanent, EpisodeMaxNum)
+from .models import (Media, PhoneNumber, Episode, Contact,
+    Category, EpisodePermanent)
 
 
 site = admin.AdminSite(name="admin")
@@ -18,17 +18,6 @@ class EpisodeAdmin(admin.ModelAdmin):
     ]
 
 
-class MediaExtraInline(GenericTabularInline):
-    model = Media
-    extra = 0
-
-
-class MediaMaxNumInline(GenericTabularInline):
-    model = Media
-    extra = 5
-    max_num = 2
-
-
 class PhoneNumberInline(GenericTabularInline):
     model = PhoneNumber
 
@@ -39,8 +28,6 @@ class MediaPermanentInline(GenericTabularInline):
 
 
 site.register(Episode, EpisodeAdmin)
-site.register(EpisodeExtra, inlines=[MediaExtraInline])
-site.register(EpisodeMaxNum, inlines=[MediaMaxNumInline])
 site.register(Contact, inlines=[PhoneNumberInline])
 site.register(Category)
 site.register(EpisodePermanent, inlines=[MediaPermanentInline])