JCRVLT-25 Implement AccessControllHandling MERGE and MERGE_PRESERVE

- use latest oak

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/commons/filevault/trunk@1560543 13f79535-47bb-0310-9956-ffa450edef68
JCRVLT-25 Implement AccessControllHandling MERGE and MERGE_PRESERVE

- use latest jackrabbit set configure importer accordingly

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/commons/filevault/trunk@1560787 13f79535-47bb-0310-9956-ffa450edef68
JCRVLT-26 File vault stores passwords in clear text in ~/.vault/auth.xml

- adding new option --update-credentials
- adding prompt for password if missing in --credentials
- avoid storing credentials if not explicitely indicated (except admin:admin)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/commons/filevault/trunk@1560840 13f79535-47bb-0310-9956-ffa450edef68
JCRVLT-27 "vlt rcp" requires credentials as URL parameters

- use credentials store also for 'rcp' URIs. this will automatically prompt for passwords in the CLI use case