build.xml: use pom.xml instead of properties/version.properties
build.xml: ensure deploy overwrites in any case (esp. needed if you use git to checkout an older file)
remove exceptionHandling stuff + remove applicationService + various cleanup
cleanup build.xml: do not use ZIP archive anymore, rely on git/github
fix/update copyrights & links
cleanup: remove unused stuff from i18n files
web.xml: set log4jExposeWebAppRoot=false otherwise we would need to set a unique webAppRootKey