Restructured openldap tasks

roles/svc-db-openldap/config/main.yml

@@ -8,4 +8,11 @@ images:
   openldap:       "bitnami/openldap:latest"
 webinterface:     "lam"                               # The webinterface which should be used. Possible: lam and phpldapadmin
 features:
-  ldap:           true
+  ldap:           true
+import:           
+# Here it's possible to define what can be imported. 
+# It doesn't make sense to let  the import run everytime because its very time consuming
+  credentials:    true 
+  schemas:        true 
+  entries:        true 
+  users:          true