Fix telemetry metadata issues (#2308)

* Do not try to convert undefined to a string

* Fixed metadata sorting. Iteratees that return arrays are treated as object paths.

* Added test specs for telemetry API reordering change

* Added telemetry filters to the API

* Support multiple inspector views

* Renamed InspectorView.vue to InspectorViews.vue

* VISTA compatibility issues (#2291)

* Build config changes necessary to work with VISTA
* Fixes to TelemetryTableRow to address bug in VISTA
* Fixed sass-fast-loader version to avoid https://github.com/yibn2008/fast-sass-loader/issues/47
* Reverted default theme

example/generator/GeneratorMetadataProvider.js

@@ -33,19 +33,12 @@ define([
                     formatString: '%0.2f',
                     hints: {
                         range: 1
-                    },
-                    filters: [
-                        {
-                            comparator: 'equals',
-                            possibleValues: [1,2,3,4]
-                        }
-                    ]
+                    }
                 },
                 {
                     key: "cos",
                     name: "Cosine",
                     formatString: '%0.2f',
-                    filters: ['equals'],
                     hints: {
                         range: 2
                     }