2.0.0: Kurt Russell's Hair in Big Trouble in Little China

Changed

• Updated to Swift 3 syntax.
• Updated to a fork of CommandLine (IngmarStein's PR to update for Xcode8/Swift3)

Added

• New yo_scheduler tool (package installer puts it at /usr/local/bin/yo_scheduler). Please see documentation for full details.
• New Yo launch system! LaunchDaemon and two LaunchAgents to allow reliable
  notification triggering by the management tool of your choice. Thanks to
  @chilcote and @grahamgilbert for the inspiration and technical assistance.

Removed

• Removed casper directory in lieue of new launcher script system.
• Removed yo.sh.