[IDH] Fixed work with cluster configs

Fixes bug: #1262936

Change-Id: I2670cfe25141e29614c165405fec5851f9f5ed33
Fix installation intel plugin

* change hostname to fqdn in vm
* use fqdn in rest calls

Fixes bug: #1268948
Fixes bug: #1269016

Change-Id: Id8f163711981858383bcf32baef163ae4028bcf3
Merge "[IDH] Fixed work with cluster configs"
Merge "Fix installation intel plugin"