[Plots] #638 Addressing feedback from code review

[Plots] #638 Fixing failing tests

[Plot] Changed PlotOptionsController to prototype form

Fixed spacing

Fixed jslint issue

platform/commonUI/browse/test/InspectorRegionSpec.js

@@ -37,7 +37,7 @@ define(
             });
 
             it("creates default region parts", function () {
-                expect(inspectorRegion.parts.length).toBe(1);
+                expect(inspectorRegion.regions.length).toBe(1);
             });
 
         });