Tempest should create his own flavors

* Decrease memory usage caused by tempest significantly

Change-Id: I0ea59d9bb1fbeb93f04353bc6b4e148637edf945
Support RHEL with lsb_release

Consider all distributor as "Red Hat" which id matches to the Red.*Hat regexp.

Example Distributor ID: "RedHatEnterpriseServer"

Change-Id: I29cc2e83cccaafa3e1e056e506fda5c9771764a1
Have ecua.sh to accept the correct error code

ecua.sh will accept both the current and the correct error code

Change-Id: I364e411986b9780fd5c5df29697753f04a9a4935
Enable MySQL slow query log.

Change-Id: I3db33839bea28abaff01f1d7b7d6698c5dd2c083
Merge "Tempest should create his own flavors"
Increase tempest memory

32 MB not enough for boot correctly

Change-Id: I58ca4c7e8dd303450a9970136d6f60661ea70f67
Merge "Enable MySQL slow query log."
Merge "Have ecua.sh to accept the correct error code"