[ADF-1434] Theming ADF component (#2228)

* start custom theming adf

* demo shell cleaning

* login mdl cleaning

* uploader mdl cleaning

* prebuilt themes

* theme picker in demo shell

* clean custom colors and mdl

* fix rebase errors

* theming from color style guide

* dev default theme orange purple

* fix color accent inverted in picker

* fix test and add colors classes

* fix tag component theming issues

* fix datatable theming

* add theming guides

demo-shell-ng2/app/components/activiti/form-node-viewer.component.ts

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import { AfterViewChecked, Component, OnDestroy, OnInit } from '@angular/core';
+import { Component, OnDestroy, OnInit } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 import { Subscription } from 'rxjs/Rx';
 
@@ -26,7 +26,7 @@ declare var componentHandler;
     templateUrl: './form-node-viewer.component.html',
     styleUrls: ['./form-node-viewer.component.css']
 })
-export class FormNodeViewerComponent implements OnInit, OnDestroy, AfterViewChecked {
+export class FormNodeViewerComponent implements OnInit, OnDestroy {
 
     nodeId: string;
 
@@ -45,11 +45,4 @@ export class FormNodeViewerComponent implements OnInit, OnDestroy, AfterViewChec
         this.sub.unsubscribe();
     }
 
-    ngAfterViewChecked() {
-        // workaround for MDL issues with dynamic components
-        if (componentHandler) {
-            componentHandler.upgradeAllRegistered();
-        }
-    }
-
 }