Add versions to the ACME config templates and update on upgrade

Put the ACME config files under normal IPA versioning so we
can more seamlessly do updates to them.

Signed-off-by: Rob Crittenden <rcritten@redhat.com>

https://pagure.io/freeipa/issue/8712

Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>

install/share/pki-acme-configsources.conf.template

@@ -1,2 +1,3 @@
+# VERSION 2 - DO NOT REMOVE THIS LINE
 engine.class=org.dogtagpki.acme.server.ACMEEngineConfigFileSource
 engine.filename=/etc/pki/pki-tomcat/acme/engine.conf

install/share/pki-acme-database.conf.template

@@ -1,3 +1,4 @@
+# VERSION 2 - DO NOT REMOVE THIS LINE
 class=org.dogtagpki.acme.database.LDAPDatabase
 basedn=ou=acme,o=ipaca
 configFile=/etc/pki/pki-tomcat/ca/CS.cfg

install/share/pki-acme-engine.conf.template

@@ -1,3 +1,4 @@
+# VERSION 2 - DO NOT REMOVE THIS LINE
 # Parameters read by ACMEEngineConfigFileSource, i.e. these are
 # expected to be in the file pointed to by the 'filename' directive
 # above.

install/share/pki-acme-issuer.conf.template

@@ -1,3 +1,4 @@
+# VERSION 2 - DO NOT REMOVE THIS LINE
 class=org.dogtagpki.acme.issuer.PKIIssuer
 url=https://$FQDN:8443
 profile=acmeIPAServerCert

install/share/pki-acme-realm.conf.template

@@ -1,3 +1,4 @@
+# VERSION 2 - DO NOT REMOVE THIS LINE
 authType=BasicAuth
 class=org.dogtagpki.acme.realm.DSRealm
 groupsDN=ou=groups,o=ipaca