add uniqueconstraint in class StateSurvey, only gameImpatience per user/survey should not ever happen, because I check in the application
add uniqueconstraint in class StateSurvey, only gameImpatience per user/survey
should not ever happen, because I check in the application

nukru/Swarm-Surveys,nukru/projectQ,nukru/Swarm-Surveys,nukru/projectQ,nukru/projectQ,nukru/projectQ,nukru/Swarm-Surveys