/api/loans/1/pendingvotes
---------------------------------
{
  data: [
    {
      user_id: "2",
      loan_id: "1",
      notification_type: "vote",
      task: "Tony Stark - Glass Towers",
      status: "pending"
    }
  ]
}
==================================

/api/loans/2/pendingvotes
---------------------------------
{
  data: [ ]
}
==================================

LoansFactory.getLoans().then(function success(response){
        var allLoans = response.data.data;
        $q.all(
          _.map(allLoans, function(obj){
            //true if
            return LoansFactory.getPendingVotes(obj.id)
              .then(function(pvs){
                if(pvs.data.length == 0){
                  obj.need_vote = false;
                } else {
                  obj.need_vote = true;
                } // end if
                return obj;
              })
          })
        ).then(function(loans){
            $scope.loans = loans;
          })
        });