Added at the GrupoC-Model to the beans getters and setters
	modified:   GrupoC-Model/src/main/java/ar/edu/unq/desapp/model/bean/Author.scala
	modified:   GrupoC-Model/src/main/java/ar/edu/unq/desapp/model/bean/Book.scala
	modified:   GrupoC-Model/src/main/java/ar/edu/unq/desapp/model/bean/Comment.scala
	modified:   GrupoC-Model/src/main/java/ar/edu/unq/desapp/model/bean/Librarian.scala
	modified:   GrupoC-Model/src/main/java/ar/edu/unq/desapp/model/bean/LoanBook.scala
	modified:   GrupoC-Model/src/main/java/ar/edu/unq/desapp/model/bean/LoanConfiguration.scala
	modified:   GrupoC-Model/src/main/java/ar/edu/unq/desapp/model/bean/User.scala