Client list fixup and systemd update

• Fixup client hosts in template (thanks @violuke)
• Optimize systemd unit file

Initial FreeBSD support

• Initial FreeBSD support
• Vagrantfile updated for FreeBSD
• Added checks for interface addresses for differences (obj vs. literal list)
  in ipv4 addresses as returned by Linux vs. BSD/SmartOS
• New consul_os var gets operating system name as lowercase string
• Add AMD64 pass-through/kludge to consul_architecture_map configuration
• Update Vagrantfile
• Decrease RAM to 1024MB
• Add FreeBSD specific checks in inline script
• Add FreeBSD hard requirements (explicit MAC address, disable share, shell)
• Update documentation

ARM support

• Initial ARM support (thanks @lanefu)

Fixes and updates

• Update license
• Update preinstall script
• Fix consul_bind_address (thanks @arledesma)
• Better config.json ingress with slurp (thanks @arledesma)

SmartOS!

Initial SmartOS support (thanks @sperreault!)

- Update CONTRIBUTORS

Fix ACL task issue

v1.9.4

Merge branch 'devel'

Fix local_action tasks

v1.9.3

Merge branch 'devel'

Numerous changes

• Keep gossip encryption in main tasks until we sort cross play var
• Compact YAML style for all tasks
• Fix task items, shorten timeouts
• Update documentation

Split out gossip encryption tasks

v1.9.1

Merge branch 'devel'

Local TLS and more

• Local TLS keys (thanks @dggreenbaum)
• Remove Atlas support
• Update documentation