function deleteTask( taskId ){
        if( ! taskId )
            return false;

        var deferred = new $.Deferred();

        $.ajax({
            type: 'DELETE',
            dataType: 'json',
            url: '/api/tasks/'+taskId
        })
            .done( function( data ){
                deferred.resolve();
            })
            .error( function( err ){
                deferred.reject();
            });

        return deferred.promise();
    }