Use file_system field from fixture when formatting partitions
clean up file_system handling when creating RAIDs
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
Advanced network configuration
forgotten directive
Merge pull request #612 from Mirantis/ubuntu-netif-directive

forgotten directive
Merge pull request #590 from tleontovich/OSTF-237

Modify ostf.pp
move delimiter due to cobbler parser
Merge pull request #613 from Mirantis/cobbler-net

move delimiter due to cobbler parser bug
Cinder fixes
Add primary controller role
Added glance cache cleaning and pruning
Merge pull request #614 from dmitryilyin/cinder_fixes

Cinder fixes
ntp setup on Ubuntu nodes
Ubuntu ntp templat
double ampersands
move line seperator
Merge pull request #618 from Mirantis/ntp-ubuntu

NTP for ubuntu
Merge pull request #575 from xarses/prd1225

Use file_system field from fixture when formatting partitions
[PRD-1929] fix for empty savanna_hash