Update the admin to group the apply actions together

opentech/apply/admin.py

-from wagtail.contrib.modeladmin.options import ModelAdmin
+from wagtail.contrib.modeladmin.options import ModelAdmin, ModelAdminGroup
 
-from .models import ApplicationForm, Category
+from .models import ApplicationForm, Category, FundType
+
+
+class FundAdmin(ModelAdmin):
+    model = FundType
+    menu_icon = 'doc-empty'
 
 
 class CategoryAdmin(ModelAdmin):
+    menu_label = 'Category Questions'
+    menu_icon = 'list-ul'
     model = Category
 
 
 class ApplicationFormAdmin(ModelAdmin):
     model = ApplicationForm
+    menu_icon = 'form'
+
+
+class ApplyAdminGroup(ModelAdminGroup):
+    menu_label = 'Apply'
+    menu_icon = 'folder-open-inverse'
+    items = (FundAdmin, ApplicationFormAdmin, CategoryAdmin)

opentech/apply/wagtail_hooks.py

 from wagtail.contrib.modeladmin.options import modeladmin_register
 
-from .admin import ApplicationFormAdmin, CategoryAdmin
+from .admin import ApplyAdminGroup
 
 
-modeladmin_register(ApplicationFormAdmin)
-modeladmin_register(CategoryAdmin)
+modeladmin_register(ApplyAdminGroup)