change domain from mirantis.com

using mirantis.com breaks the ability to use download.mirantis.com

Change-Id: I64868e3f122cd8ba59a9ea3b9077ccdf0ec5471e
Fix devops requirement

1. Use the version tag instead of commit_id
2. Use git+https instead git+ssh for setup devops w/o git+ssh
access

Change-Id: I01c61acb3b8b7f7ab13fd1248bf6bef9d1e93a85
Spread tests through different test threads for better time usage. Fix pep8.

Change-Id: Ibc966e025df9fd2feef2f1df50c36ef6270dab32
Add destroy environment after test run into system_test shell script

Change-Id: I8cef8edabb5ad27b735c2b747baa4039218a8f75
Merge "Spread tests through different test threads for better time usage. Fix pep8."
Merge "Fix devops requirement"
add murano/savanna packages

Change-Id: Ic438908102e4e2d961e3bc4ed5a2fc4f9551eee5
Merge "add murano/savanna packages"
Use new stable repos from osci

Change-Id: I7f3048bbbce760287c068d072d7377d2b22ba1df
Merge "change domain from mirantis.com"
upgrade ceph-deploy to 1.2.6

Change-Id: I927c3e11f85fa4f18858a4ca224efb2cb47c7c0a
build iso from ceph-fuelweb-1 and ceph-fuel-2

Change-Id: I2b4dcf41a03c7be0422d256c611d28e2ce692c62