Changes suggested by Chris, also allows empty domain name'

buildKaraage3.x.yml

roles/easy-rsa-certificate/tasks/buildCert.yml

roles/easy-rsa-common/tasks/installEasyRsa.yml

roles/etcHosts/files/makehosts.py

roles/karaage3.1.17/tasks/karaage.yml

roles/karaage3.1.17/tasks/mysql.yml

roles/karaage3.1.17/templates/.my.cnf.j2

roles/karaage3.1.17/templates/client-ldap.conf.j2

roles/karaage3.1.17/templates/sqlsettings.sql.j2

roles/karaage3.1.17/vars/main.yml

roles/ldapserver/tasks/main.yml

roles/ldapserver/templates/manager_ldif.j2

roles/ldapserver/templates/tls_settings.ldif.j2

roles/nfs-client/vars/main.yml

roles/nfs-client/vars/readme.txt

roles/nfs-server/defaults/main.yml

roles/nfs-server/defaults/readme.txt

roles/nfs-server/tasks/mkFilesystem.yml

roles/syncExports/tasks/addExports.yml

roles/syncExports/vars/main.yml