Update django-model-utils from 2.5.2 to 2.6
Update django-model-utils from 2.5.2 to 2.6

fabiobatalha/inbox,fabiobatalha/inbox,brunousml/inbox,brunousml/inbox,brunousml/inbox,fabiobatalha/inbox,fabiobatalha/inbox,brunousml/inbox,brunousml/inbox,fabiobatalha/inbox