Fixed RemovedInDjango18Warning:  method should be renamed
Fixed RemovedInDjango18Warning:  method should be renamed

pombredanne/django-fsm-log,Andrey86/django-fsm-log,blueyed/django-fsm-log,mord4z/django-fsm-log,gizmag/django-fsm-log,fjcapdevila/django-fsm-log,ticosax/django-fsm-log