Update PopulateVisit function to get only the new visits from Jamespot. In case the parameter "parrent_visit" is passed when creating a book, we copy all the slide corresponding to the visit being copied. Refactor PopulateVisite to PopulateVisit.

.auth{
	display:block;
	margin:auto;
}

.auth input{
	width: 300px;
	margin: 10px 0;
}