...
ZanataInit startup stuff
maybe bump up the versions of arquillian and the other dependencies it likes to bring in (generally be upgrading to EE7 versions)
fix whatever code gets broken
Refs:
https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/migration-guide/
https://lucene.apache.org/core/4_10_0/MIGRATE.html
https://lucene.apache.org/core/5_3_0/MIGRATE.html