Version class added
finished version class + tests
added version and last update fields
removed MySQL version class; added Version.asString
removed version annotation from root entities (openLCA is not yet
prepared for this)
Version and last change only for categorized entities
removed @PrePersist and @PreUpdate (does not work correctly referenced
entities)
removed version and last update fields from process documentation
added KMZ field (zipped KML for process locations)