Feature/agent2 adbist (#1113)

* added caching for jobs view and history page

* added build fix

* removed agent from cache service name

* put cache in job mgmt service and fixed view destroy error

* jobs view cache and refresh implemented

* refresh and cache complete

* added refresh to job history page

* fixed steps style

* explicitly tell user when no steps are available

* show message when no prev runs available

* code review refactor

* cleaned code

* added code that got left out

src/typings/modules/@angular/core/index.d.ts

@@ -6633,7 +6633,7 @@ export class ResolvedReflectiveFactory {
         /**
          * Factory function which can return an instance of an object represented by a key.
          */
-        factory: Function, 
+        factory: Function,
         /**
          * Arguments (dependencies) to the `factory` function.
          */