refactoring XML reading: use version-specific reader classes, use ninject for loading correct classes

refactoring of XML validation: consider schema version number read from document, use single class for validating all vecto-related xml files

add certification number and digest values output and check to verify results view, splitting up into multiple files

refacotring modelviews to use base class from report validation, more expressive icons for validating input

refactoring: use common model for validating job and results, full job-file validation when validating results