[ADF-868] Use new ADF prefix in all tags (#2035)

* use new ADF prefix in all thr tag

* fix failing test

* fix datatable test

ng2-components/ng2-alfresco-core/src/components/context-menu/context-menu.directive.ts

@@ -19,7 +19,7 @@ import { Directive, Input, HostListener } from '@angular/core';
 import { ContextMenuService } from './context-menu.service';
 
 @Directive({
-    selector: '[context-menu]'
+    selector: '[adf-context-menu], [context-menu]'
 })
 export class ContextMenuDirective {
     @Input('context-menu')

ng2-components/ng2-alfresco-core/src/components/material/mdl-button.directive.ts

@@ -20,7 +20,7 @@ import { Directive, ElementRef, AfterViewInit } from '@angular/core';
 declare var componentHandler;
 
 @Directive({
-    selector: '[alfresco-mdl-button]'
+    selector: '[adf-mdl-button] ,[alfresco-mdl-button]'
 })
 export class AlfrescoMdlButtonDirective implements AfterViewInit {
 

ng2-components/ng2-alfresco-core/src/components/material/mdl-menu.directive.ts

@@ -20,7 +20,7 @@ import { Directive, ElementRef, AfterViewInit } from '@angular/core';
 declare var componentHandler;
 
 @Directive({
-    selector: '[alfresco-mdl-menu]'
+    selector: '[adf-mdl-menu], [alfresco-mdl-menu]'
 })
 export class AlfrescoMdlMenuDirective implements AfterViewInit {
 

ng2-components/ng2-alfresco-core/src/components/material/mdl-textfield.directive.ts

@@ -20,7 +20,7 @@ import { Directive, ElementRef, AfterViewInit } from '@angular/core';
 declare var componentHandler;
 
 @Directive({
-    selector: '[alfresco-mdl-textfield]'
+    selector: '[adf-mdl-textfield]], [alfresco-mdl-textfield]'
 })
 export class AlfrescoMdlTextFieldDirective implements AfterViewInit {