Support deno 1.3.x/0.67.0; replace handlebars with view_engine library

lib/src/lifecycle/Application.ts

@@ -8,6 +8,8 @@ import {Status} from '../const/status.ts'
 import Instantiable from '../../../di/src/type/Instantiable.ts'
 import {Collection} from '../collection/Collection.ts'
 import {path} from '../external/std.ts'
+import Scaffolding from '../unit/Scaffolding.ts'
+import {Container} from '../../../di/src/Container.ts'
 
 /**
  * Central class for Daton applications.
@@ -22,6 +24,7 @@ export default class Application {
 
     constructor(
         protected logger: Logging,
+        protected injector: Container,
         protected rleh: RunLevelErrorHandler,
         /**
          * Array of unit classes to run for this application.
@@ -112,7 +115,7 @@ export default class Application {
      * @type string
      */
     get root() {
-        return path.resolve('.')
+        return this.injector.make(Scaffolding).base_dir
     }
 
     /**
@@ -120,7 +123,7 @@ export default class Application {
      * @type string
      */
     get app_root() {
-        return path.resolve('./app')
+        return this.injector.make(Scaffolding).base_dir
     }
 
     /**