install: Automatization of the install-server

This commit aims to make it possible to automate the install server
It allows the automatization of the following pieces :

  * The Puppet Master Server
  * The PuppetDB server
  * The hiera configuration

Change-Id: I5f4419ed6cb1668c1d135e9760cbb390ffdf2c68
Merge "install: Automatization of the install-server"