anchor.diff:  |Name|Type|Required|Description
   |`--port`|Integer|Yes|HTTP port for UI.
   |`--celos`|URL|Yes|Celos URL.
  -|`--hue`|Path|No|URL of Oozie UI.
  +|`--hue`|URL|No|Hue (Oozie UI) URL.  If specified, slots become linked to Hue.
   |`--config`|Path|No|JSON <<UI Config File>>.
  -|===
  -
  -=== UI HTTP API
  -
  -==== /ui
  -
  -Doing a GET to this servlet displays the Celos UI.
  -
  -===== Parameters
  -
  -[options="header"]
  -|===
  -|Name|Type|Required|Description
  -|`time`|String (ISO 8601)|No|Time of most recent slot to display (defaults to current time).
  -|`zoom`|String (ISO 8601)|No|Zoom level in minutes (defaults to 60).
   |===
   
   === UI Config File
  
positive.code: 
  prints:
  
  [source,json]
  ....
  {
    "ids" : [ "workflow-1", "workflow-2", "workflow-3" ]
  
negative.code: 
  prints:
  
  ....
  {
    "type" : "AndTrigger",
  