Various Vault fixies

https://bugzilla.redhat.com/show_bug.cgi?id=1146006 Module loaded password class
https://bugzilla.redhat.com/show_bug.cgi?id=1124086 disabled auto secret key creation
https://bugzilla.redhat.com/show_bug.cgi?id=1125004 Fixed plus test case
https://bugzilla.redhat.com/show_bug.cgi?id=1153614 - RFE vault remove entry