Prabhjyot Singh

RANGER-4916: Before redirect check and remove index.html

1

## What changes were proposed in this pull request? [RANGER-4916](https://issues.apache.org/jira/browse/RANGER-4916): Before redirect check and remove index.html Sometimes when the session gets timed-out the page does not redirect to the "login.jsp"...

AMBARI-26556: Add a way to encrypted configurations.json file in the ambari-agent's cache

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## What changes were proposed in this pull request? Add a way to encrypted configurations.json file in the ambari-agent's cache ## How was this patch tested? before enabling encryption: ```...