[ADF-2670] Final doc checks for release (#3205)

* [ADF-2670] Fixed files with wrong name or location

* [ADF-2670] Fixed display glitch with tutorial index

docs/content-services/file-draggable.directive.md

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+---
+Added: v2.0.0
+Status: Active
+Last reviewed: 2018-04-10
+---
+
+# File Draggable directive
+
+Provides drag-and-drop features for an element such as a `div`.
+
+## Basic Usage
+
+```html
+<div [file-draggable]="true" id="DragAndDropBorder" class="drag-and-drop-border"
+     (filesDropped)="onFilesDropped($event)"
+     (filesEntityDropped)="onFilesEntityDropped($event)"
+     (folderEntityDropped)="onFolderEntityDropped($event)"
+     dropzone="" webkitdropzone="*" #dragAndDropArea>
+  <ng-content></ng-content>
+  Drag and Drop files here!
+</div>
+```
+
+Some sample CSS to show the drag and drop area:
+
+```css
+.drag-and-drop-border {
+  vertical-align: middle;
+  text-align: center;
+  border: double;
+  background-color: lightblue;
+  width: 400px;
+  height: 100px;
+}
+```
+
+## Class members
+
+### Properties
+
+| Name | Type | Default value | Description |
+| -- | -- | -- | -- |
+| file-draggable | `boolean` | true | Enables/disables drag-and-drop functionality. |
+
+### Events
+
+| Name | Type | Description |
+| -- | -- | -- |
+| filesDropped | `EventEmitter<File[]>` | Emitted when one or more files are dragged and dropped onto the draggable element. |
+| filesEntityDropped | `EventEmitter<any>` | Emitted when one or more files are dragged and dropped onto the draggable element. |
+| folderEntityDropped | `EventEmitter<any>` | Emitted when a directory is dragged and dropped onto the draggable element. |
+
+## Details
+
+Typically you would use the Upload Drag Area component instead of this directive.
+
+### Event handler implementations
+
+```ts
+export class SomeComponent implements OnInit {
+
+ onFilesDropped(files: File[]): void {
+    if (files.length) {
+      // Use for example the uploadService to upload files to ACS
+      console.log('# of files dropped: ', files.length);
+    }
+  }
+
+  onFilesEntityDropped(item: any): void {
+    // Use for example the uploadService to upload files to ACS
+    console.log('# of files dropped: ', item);
+  }
+
+  onFolderEntityDropped(folder: any): void {
+    if (folder.isDirectory) {
+      // Use for example the uploadService to upload folder content to ACS
+      console.log('Folder dropped: ', folder);
+    }
+  }
+```
+
+## See also
+
+-   [Upload Drag Area component](../content-services/upload-drag-area.component.md)