Fix working EDP jobs with non-string configs

Change-Id: I35435b56f588089b23b0e2f23c4cca9ce701f4af
Closes-bug: #1387723
Added ability to access a swift from vanilla-1 hive

* Generates a cluster-scoped proxy-user and keystone TRUST
* Pass a proxy-user auth and trust id to hive-server using hive-site.xml

Partially implements: blueprint edp-hive-vanilla-swift

Change-Id: I65592421b29428d3e726aaf0aaa4977378849ef0
Fixed error on attempt to delete job execution several times

Change-Id: Ic46a837523a4b4cb3511b33103a39279edfd3f4b
Closes-Bug: #1395920
Add new events objects to Sahara

Implements: blueprint event-log

Change-Id: Ifacf309b75ccf85a5bdec7d8926fb9804b45571e
Merge "Added ability to access a swift from vanilla-1 hive"
Merge "Fix working EDP jobs with non-string configs"
Merge "Add new events objects to Sahara"
Merge "Fixed error on attempt to delete job execution several times"