Add animated profile picture support

See merge request !116

Add __str__ to models, remove null=True in CharField and TextField

See merge request !117

Use pre_delete signal insted of Model.delete() to prevent note balance issues when deleting a transaction (don't do it) in Django Admin

First release

See merge request !115

v1.0.0

See merge request !114

Fix note pictures, better ansible

See merge request !113

Move image upload code to form clean

See merge request !112