• Allow user to configure the CLI using an ini style config file located at ~/.st2rc.
  (new-feature)
• Add support for caching of the retrieved auth tokens to the CLI. (new-feature)
• Throw a more-user friendly exception when enforcing a rule if an action referenced inside
  the rule definition doesn't exist. (improvement)
• Fix a bug with the rule evaluation failing if the trigger payload contained a key with a
  dot in the name. (bug-fix)
• Fix a bug with publishing array (list) values as strings inside the action chain workflows.
  (bug-fix)
• Update CLI so it displays the error at the top level when using run, execution run or
  execution get when executed workflow fails. (improvement)
• Action trigger now contains execution id as opposed to liveaction id. (bug-fix)
• Add new API endpoint for re-running an execution (POST /executions/<id>/re_run/).
  (new-feature)
• Rules should be part of a pack. (improvement)
• Update Windows runner code so it also works with a newer versions of winexe (> 1.0).
  (improvement)
  [James Sigurðarson]
• CLI now has get and list commands for triggerinstance. (new-feature)
• Validate parameters during rule creation for system triggers. (improvement)
• CLI now has re-emit command for triggerinstance. (new-feature)