[ADF-968] Added Site Dropdown component to document list (#2093)

* [ADF-968] added demo project and new component

* [ADF-968] added default option choice

* [ADF-968] - moved site dropdown into documentlist

* [ADF-968] fixed test for new component

* [ADF-968] removed fdescribe for single cases

* [ADF-968] fixed test to check rendering

* [ADF-968] added conversion to Boolean forced by alfresco-js-api

* [ADF-968]- moved site service into core

* [ADF-968] reflected changes on js-api index

* [ADF-968] fixed wrongly merged path from rebase

* [ADF-968] fixed wrongly merged path from rebase

* [ADF-968] fixed import problem on demo shell demo

* [ADF-968] revert changes on package.json

* [ADF-968] removed wrong package-lock

* [ADF-968] applied changes from PR

* [ADF-968] reindented file html

demo-shell-ng2/app/components/files/files.component.html

@@ -1,6 +1,12 @@
 <div class="container">
+    <div class="adf-demo-site-container-style" id="demo-container">
+        <span> Choose A Site from DropDown </span>
+        <p></p>
+        <adf-sites-dropdown (change)="getSiteContent($event)">
+        </adf-sites-dropdown>
+    </div>
     <alfresco-upload-drag-area
-        [rootFolderId]="documentList.currentFolderId"
+        [parentId]="currentFolderId"
         [versioning]="versioning"
         [enabled]="documentList.hasCreatePermission()">
         <div *ngIf="errorMessage" class="error-message">
@@ -223,4 +229,3 @@
     <!--</div>-->
 
 </div>
-