[PRD-1871] fix race condition for nailyfacts
Merge pull request #586 from Mirantis/prd1871

[PRD-1871] fix race condition for nailyfacts
enable apache mod_proxy for ubuntu
Merge pull request #588 from Zipfer/apache_api_proxy

enable apache mod_proxy for ubuntu
fixed syntax error in pmanager.py
Merge pull request #591 from kozhukalov/prd1872

fixed syntax error in pmanager.py
Savanna refactoring
Merge pull request #592 from dmitryilyin/savanna_only

Savanna only without murano/heat merge request
Modify ostf.pp to use fuel-ostf package

* Replace installtion of two ostf packages for one fuel_ostf
* Add savana murana tests dependency

Partly Fixes: OSTF-237