Update devstack config

Fix typos in local.conf
Add heat_stack_owner role to ci user
Fix ubuntu cloud image URL
Add Fedora 20 cloud image
Add workaround against https://bugs.launchpad.net/neutron/+bug/1263997
Use default security group from CI tenant
Typo
Update user quotas
Code style and readability
Post unstack script
Post stack script
Add build script for image with Murano agent
Add Readme
Fix metadata issue (add use_forwarder_for)
Update split-logs.sh to support devstack log files
Add script to rotate devstack logs
Update murano image build script
Add murano heartbeat jobs
Add kind of setup script
Add jenkins job templates
Add function to check that heat stacks are deleted after tests.
    If not - fail the job.
Add murano-devbox-devstack script - use it on CI mostly

Change-Id: I57a5566a14c66ec8e4378e3545344f0fb6a2617b