[ADF-2567] delete a version (#3151)

* configuration support for version manager

* checkbox for version deletion demo

* i18n support for version manager

* deleting versions

* confirmation dialog for version deletion

* readme update

* update schema

* update code as per code review

* update i18n resources for demo shell

* unit tests

lib/content-services/version-manager/version-upload.component.html

@@ -1,10 +1,10 @@
 <adf-upload-version-button
     data-automation-id="adf-new-version-file-upload"
     class="adf-new-version-file-upload"
-    staticTitle="Upload new version"
+    staticTitle="{{ 'ADF_VERSION_LIST.ACTIONS.UPLOAD.TITLE' | translate }}"
     [node]="node"
     [rootFolderId]="node.parentId"
-    tooltip="Restriction: upload file with the same name to create a new version of it"
+    tooltip="{{ 'ADF_VERSION_LIST.ACTIONS.UPLOAD.TOOLTIP' | translate }}"
     [versioning]="true"
     (success)="onUploadSuccess($event)"
     (error)="onUploadError($event)">