btsync_url:
  i386:   http://download-lb.utorrent.com/endpoint/btsync/os/{{ ansible_system|lower }}-glibc23-i386/track/stable
  x86_64: http://download-lb.utorrent.com/endpoint/btsync/os/{{ ansible_system|lower }}-glibc23-x64/track/stable
  arm:    http://download-lb.utorrent.com/endpoint/btsync/os/{{ ansible_system|lower }}-arm/track/stable

Add defaults for the role
Add defaults for the role
