Add 'acpid' to the packages section in kickstarttemplate.

* As libvirt uses acpi events to shutdown / reboot domains acpid must be
  installed in the vm.
Merge pull request #52 from mattthias/master_fix_missing_acpid_package_in_kickstart_template

Add 'acpid' to the packages section in kickstarttemplate.
Introduce open nebula repo for Debian.
DB backup script: ignore dirs, only cleanup files.
Update to 4.4 sunstone-server.conf
Merge pull request #54 from chrisN777/backupscript

DB backup script: ignore dirs, only cleanup files.
Merge pull request #53 from chrisN777/debian_repo

Introduce open nebula repo for Debian.
Merge pull request #55 from chrisN777/sunstone4.4

Update to 4.4 sunstone-server.conf
Purge hooks dir.
Merge pull request #56 from rwaffen/purge_hook_dir

Purge hooks dir.
prepare to make use of implicit hiera lookups
Merge pull request #57 from tuxmea/spec_hiera_implicit_lookup

prepare to make use of implicit hiera lookups
add virsh to sudoers ONEADMIN group
Merge pull request #58 from nmesstorff/add_virsh_to_sudoers

add virsh to sudoers ONEADMIN group
Update Gemfile

add rspec <3 because it breaks rspec-puppet
several changes:
1. ldap_auth.conf enables encryption only when ssl port (636) is set
2. sunstone-server.conf: set listen ip address setting via class
parameter
3. Added transfer manager dummy settings in oned.conf. Without these
oned did not start with opennebula 4.6
4. Added switch for apt repository config (different path and
priorioty)for Ubuntu.
5. Added installation of required rubygems (parse-cron was missing in
trusty)
6. notify reload of sunstone server on config change
7. started to move settings in params.pp from class body to parameters
section to allow configuration by using hiera dating bindings or
completely without hiera.
add rspec <3 because it breaks rspec-puppet
fixed broken ssh key configuration
cleaned up code according to puppet style guide
added missing operatingsystem fact