Added JDoc comments to PDF and CSV classes.
Deleted PDFPrinter class that was used to print on server side. Not
necessary anymore, since we print on client side via a browser.
Commented readCSVConfigurationFile in CSVHandler.
Commented methods in PDFHandler.
Commented PDFClassList class.
Formated comment in PDFStudentList.
Added David Vitt as author.
Commented test classes.
Merge pull request #807 from B3nRa/JavaDoc

Java doc