Added eval exercise for iOS subject
Added eval exercise for iOS subject

Danmarjim/mwm-2014-2015,Danmarjim/mwm-2014-2015,Danmarjim/mwm-2014-2015,Danmarjim/mwm-2014-2015,Danmarjim/mwm-2014-2015,Danmarjim/mwm-2014-2015