added ant scripts to create webservices and client webservices stubs in roda-migrator-services and roda-migrator-client
updated ant scripts for roda-core-services and roda-client
updated pom.xml to include axis-ant in roda-migrator projects
updated roda-common-convert-db log4j.xml default log level to WARN to avoid roda-migrator ant task excessive logging
added fedora log4j.properties to fedora config template files with a rule to avoid excessive logging from fedora filters