old_contents: from django.contrib import admin
  
  from .models import (Organization, User, UserOrganization, VolunteerActivityType,
      DonationItemCategory, VolunteerActivity, UserVolunteerActivity)
  
  class UserOrganizationInline(admin.TabularInline):
      model = UserOrganization
      extra = 1
  
  class OrganizationAdmin(admin.ModelAdmin):
      inlines = (UserOrganizationInline,)
  
  admin.site.register(Organization, OrganizationAdmin)
  admin.site.register(User)
  admin.site.register([VolunteerActivityType, VolunteerActivity, UserVolunteerActivity])
  admin.site.register(DonationItemCategory)
  
new_contents: from django.contrib import admin
  
  from .models import (Organization, User, UserOrganization, VolunteerActivityType,
      DonationItemCategory, VolunteerActivity, UserVolunteerActivity)
  
  class UserOrganizationInline(admin.TabularInline):
      model = UserOrganization
      extra = 1
  
  class OrganizationAdmin(admin.ModelAdmin):
      inlines = (UserOrganizationInline,)
  
  
  def mark_email_verified(modeladmin, request, queryset):
      queryset.update(is_email_verified=True)
  
  mark_email_verified.short_description = "Mark selected users as verified"
  
  class UserAdmin(admin.ModelAdmin):
      search_fields = ('email', 'first_name', 'last_name')
      list_display = ('__unicode__', 'is_email_verified',)
      actions = [mark_email_verified]
      #list_editable = ('is_email_verified',)
  
  
  
  
  admin.site.register(Organization, OrganizationAdmin)
  admin.site.register(User, UserAdmin)
  admin.site.register([VolunteerActivityType, VolunteerActivity, UserVolunteerActivity])
  admin.site.register(DonationItemCategory)
  
subject: add search to users admin + bulk action to verify