Add test on creating instance with
file injection

Change-Id: I92dfe1da854dfc662f1b8b77e85e1e295b5790e6
Related-Bug: #1335697
Improve reliability of preseed download in initrd

Occassionally Ubuntu fails to download its
configuration and the installation fails.
This patch enables preseed scripts to attempt
10 times to download the configuration
before failing

blueprint 100-nodes-support

Change-Id: I4dcee04d221c77bbdf82ea280ac836b73654a86e
Discarding legacy fuel-repository.mirantis.com usage

Change-Id: Ic722bd001b7306a7a09e853ec56c15e2f4d5b982
Merge "Improve reliability of preseed download in initrd"
Fix issue with hardcoded versions for requirements

We need to build fuel images with all packages from master branch
and also we need support build from current stable version too.

Added python-babel to satisfy nailgun dependency

Change-Id: I609fe6f4185d37134842332b9d35cfcb3e2e4cb6
Closes-Bug: #1361279
blueprint fuel-deploy-juno
Merge "Discarding legacy fuel-repository.mirantis.com usage"
Return empty string instead of None (systests)

In 'execute_through_host' method return empty string if
exception is caught. This is required to avoid type errors
in tests which use that function. Also, increase log level
to 'error' for message about occurred exception.

Change-Id: I7021ee90e32f39b2183b7693d3ba6fe4c669517d
Closes-bug: #1369962
Merge "Return empty string instead of None (systests)"
Merge "Add test on creating instance with file injection"
Remove bvt group from neutron ha vlan test
with public network

Change-Id: I851167b82301743083c528f14b94b45d944e27fb
Closes-Bug: #1376241
Merge "Fix issue with hardcoded versions for requirements"