[ACA-2147] toolbar clean css - fix colors (#1114)

* [ACA-2147] toolbar clean css - fix colors

* [ACA-1619] keep aspect properties config example

* [ACA-2147] keep toolbar color setting in custom-theme

* remove dist folder from travis cache

* build dist folder before each suite

* remove no longer needed 'Prepare dist cache' since dist cache was disabled

src/app/components/toolbar/toggle-info-drawer/toggle-info-drawer.component.ts

@@ -36,7 +36,7 @@ import {
   template: `
     <button
       mat-icon-button
-      [color]="(infoDrawerOpened$ | async) ? 'accent' : 'primary'"
+      [color]="(infoDrawerOpened$ | async) ? 'primary' : ''"
       [attr.title]="'APP.ACTIONS.DETAILS' | translate"
       (click)="onClick()"
     >

src/app/components/toolbar/toolbar-action/toolbar-action.component.ts

@@ -45,7 +45,7 @@ export class ToolbarActionComponent implements DoCheck {
   type = 'icon-button';
 
   @Input()
-  color = 'primary';
+  color = '';
 
   @Input()
   actionRef: ContentActionRef;

src/app/components/toolbar/toolbar-button/toolbar-button.component.ts

@@ -43,7 +43,7 @@ export class ToolbarButtonComponent {
   type: ToolbarButtonType = ToolbarButtonType.ICON_BUTTON;
 
   @Input()
-  color = 'primary';
+  color = '';
 
   @Input()
   actionRef: ContentActionRef;

src/app/components/toolbar/toolbar-menu/toolbar-menu.component.ts

@@ -37,7 +37,7 @@ export class ToolbarMenuComponent {
   actionRef: ContentActionRef;
 
   @Input()
-  color = 'primary';
+  color = '';
 
   get hasChildren(): boolean {
     return (