Changed the ipsproxy integration according to modified package name
Tab to spaces
MultipleChoiceQuestion demo (roundtrip from AMS for init and submission)
Submission roundtrip working. Loading config from PAF
MCQ demo using AMS PAF Stub
Code review changes

for now don't change the structure of the studentAnswer sent from the submitManager to the AnswerMan, instead change it in the IpsAnswerMan to what the Ips needs.

A few minor changes to get the unit tests to pass.
Minor changes on test to use proper message
Merge pull request #114 from lbondaryk/142-MultipleChoice_server_feedback

142 multiple choice server feedback