Add insecure option to [rabbitmq] section of murano.conf
This is a partial fix because it improves Engine <-> RMQ
communications but the same problem exist on
Agent <-> RMQ side
Partial-Bug: #1578421
Change-Id: I55207c3016da12be45918a7dc33795abf69627b4
Added ability to modify/remove data from structures (like Heat
templates) via jsonpatch and thus added ability to clean up Heat
resources that was obtained by deleted instances
Closes bug: #1296624
Change-Id: I4db226a5ab00ff363f8b5d44a5d690df942622e8