Replaced 'biblio.users' with $config:biblio-users-group.
Replaced 'editor' with $config:biblio-admin-user.
Removed repo.xml, as it is not used for building the archive.
Removed 'local.properties' file, as it is not used anymore for building
the package.
Removed the 'expath-pkg.xml.tmpl' file, as it is not used anymore for
building the package.
Removed 'build.xml' file, as it is not used anymore for building the
package.