Add test, which launches Tempest tests

Tempest contains a lot of scenarios for integration tests and most
OpenStack projects use them for testing new changes, so it would be
better to provide ability to launch Tempest as Fuel-test

Change-Id: I56bf68087e60f5464db4d83314050ace8076b7ce
Get credentials for Cobbler from astute.yaml

Currently password for Cobbler is randomly generated,
so we should to parse it from configuration file.

Change-Id: I13feb199d4c7f039195f81440835945a1448a75d
Closes-bug: #1341484
Merge "Add test, which launches Tempest tests"
Merge "Get credentials for Cobbler from astute.yaml"
add new helper env_assist.py for revert environment to predefined state before test

Change-Id: I552857d42ed94edb6656a71d6fe3b6694b053bf6
Add all neutron packages to requirements

It has come up in several requests that we should have packages present for
 all of the neutron components so that any patches we might have included are
 present in the repos on the fuel-master.

This is not intended to be a "fuel suppports ..." but rather enables users to
 customize their deployment accordingly and not have to find packages that
 where not built from the same sources which would cause more problems for
 them.

Closes-bug: #1330610
Related-blueprint: ml2-neutron

Change-Id: Ic1c6397f5eb73694162b0c01b83bcdd11e27cb54
Merge "Add all neutron packages to requirements"
Merge branch 'master' of https://github.com/stackforge/fuel-main into env-assist
now it works

Change-Id: Ib21d9c4e91bda6b940027146108d5d64a57f8bde
merge

Change-Id: I1ee372ecd84eb1292d090671fc1debeb59476c77