[Telemetry] Expose telemetryFormatter

Expose telemetryFormatter as a service; additionally, fix
some structural issues to make sure this is passed around
as needed among plot components. WTD-599.

platform/features/plot/src/PlotController.js

@@ -86,7 +86,10 @@ define(
             // Set up available modes (stacked/overlaid), based on the
             // set of telemetry objects in this plot view.
             function setupModes(telemetryObjects) {
-                modeOptions = new PlotModeOptions(telemetryObjects || []);
+                modeOptions = new PlotModeOptions(
+                    telemetryObjects || [],
+                    subPlotFactory
+                );
             }
 
             // Update all sub-plots

platform/features/plot/src/SubPlot.js

@@ -3,10 +3,9 @@
 define(
     [
         './elements/PlotPosition',
-        './elements/PlotFormatter',
         './elements/PlotTickGenerator'
     ],
-    function (PlotPosition, PlotFormatter, PlotTickGenerator) {
+    function (PlotPosition, PlotTickGenerator) {
         "use strict";
 
         var DOMAIN_TICKS = 5,

platform/telemetry/bundle.json

@@ -23,6 +23,12 @@
                 "implementation": "TelemetryCapability.js",
                 "depends": [ "$injector", "$q", "$log" ]
             }
+        ],
+        "services": [
+            {
+                "key": "telemetryFormatter",
+                "implementation": "TelemetryFormatter.js"
+            }
         ]
     }
 }