Separate once again the app registry and the backup apps

apps/backups/forms.py

@@ -0,0 +1,20 @@
+from __future__ import absolute_import
+
+from django import forms
+
+from common.widgets import ScrollableCheckboxSelectMultiple
+
+#from .classes import AppBackup
+#from .models import App, BackupJob
+
+
+#def valid_app_choices():
+#    # Return app that exist in the app registry and that have been registered for backup
+#    return App.live.filter(pk__in=[appbackup.app.pk for appbackup in AppBackup.get_all()])
+
+
+#class BackupJobForm(forms.ModelForm):
+#    apps = forms.ModelMultipleChoiceField(queryset=valid_app_choices(), widget=ScrollableCheckboxSelectMultiple())
+#
+#    class Meta:
+#        model = BackupJob