Add archlinux support

[bastelfreak]

I'm currently setting up a new Arch Linux environment and would like to add support for it to this module. Only tested against Zabbix 3.0

[bastelfreak]

hey @dj-wasabi, would you mind taking a look? I tested the following setup which now works:

  $zabbix_server_ip = hiera('zabbix_server_ip')
  $zabbix_agent_ip = hiera('zabbix_agent_ip', $ipaddr)
  class { '::zabbix::agent':
    manage_repo           => $zabbix_manage_repo,
    server                => $zabbix_server_ip,
    zabbix_package_state  => 'latest',
    zabbix_version        => '2.4',
    manage_resources      => false,
    serveractive          => $zabbix_server_ip,
    hostmetadata          => $::thing_type,
    listenip              => $zabbix_agent_ip,
  }
  # basic check for puppet agent
  zabbix::userparameters{'get_file_time.sh':
    script  => 'puppet:///modules/profiles/zabbix_userparams/get_file_time.sh',
  }

[bastelfreak]

hey, I did a few other adjustments here:

• bump ruby 2.1.0 to 2.1.9
• add a test without strict_variables to .travis.yml
• pin rspec-puppet at 2.3.3 (2.4.0 is broken)

The pinning is needed to make the tests pass. All of theses changes are in seperate commits. If you want I can remove them again.

[ericsysmin]

You are amazing!