Fixes

* Fix 'ha_fencing' scope for policy
* Add missing parseyaml function
* Add missing astute_settings_yaml fact
* Del inifile copy from pre-build-hooks
* Fix yaml parsing

Change-Id: Iaa764ee40dd6fd41cafe72bcaefb9b9bf9b06f94
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>