created resources for the auto responses and implemented the auto response method

made sure the auto response is called when a question is created
added the call to send the response when a answer is created
fixed all conversion errors and added a conversion method for the
keywords
fixed initialisation bug in base manager
changed the parameter types in het sendanswerfactory
Merge pull request #67 from daanvc/master

created resources for the auto responses and implemented the auto respon...