Use a new ruby 2.1 in the master node as a single ruby version.

* install Astute as package;
* setup supervisor to use system ruby instead of rbenv ruby;
* code is given in accordance with Ruby 1.9 or higher;
* remove symbolic link to astute bin agent.

Implements: blueprint fuel-new-system-ruby-in-master-node
Change-Id: I41d23330443b592d045186dc989df9e4dc72d387
Merge "Use a new ruby 2.1 in the master node as a single ruby version."
vcenter integration added
changes suds installation with native package manager, was pip
check if vcenter enabled
added image upload for Ubuntu
changed cirros image destination file
removed blank symbols
added hypervisor type for image upload
added workaround for ubuntu compute