Initial dnsmasq and post-bootstrap cluster config

• Add initial dnsmasq front end bits
• Reconfigure bootstrap node for normal operation (remove bootstrap-expect)
  after initial cluster formation and restart bootstrap node

Good fixes and contributors!

• FIX: No such file or directory /etc/init.d/functions (thanks @oliverprater)
• FIX: Using bare variables is deprecated (thanks @oliverprater)
• Added CONTRIBUTORS.md
• Updated documentation

Rename bootstrap template

v1.0.11

Rename bootstrap template.

Remove duplicate datacenter variable

v1.0.10

Remove duplicated datacenter variable.

Change datacenter value

Change name of datacenter to dc1

Docs and versions updates

• Update supported versions
• Update documentation

Updates to versions and configurable bind_address

• Updated to Consul 0.6.4
• Make bind_address configurable for #1
• Cleaned up deprecaed bare variables
• Updated supporting software versions
• Updated documentation

Improvements and updates

• Updated defaults and Consul version (thanks @bscott)
• Made cluster bootable and switch to become_user + other Ansibel best
  practices (thanks @Rodjers)
• Updated minimum Ansible version required in meta

Renamed label

v1.0.4

renamed label

Startup scripts and more!

• Prefix /usr/local/bin in PATH for cases where the consul binary is not found
• Changed UI path
• Add generic SysV init script
• Add Debian init script
• Use systemd for distribution major versions >= 7
• Remove Upstart script
• Updated configuration files