Enable lustrum theme (#971)

* Intial commit

* Enable theme

* Revert "Intial commit"

This reverts commit a811624.

* remove dieslogo.jpg

* Update otp-settings.hbs

* Update dies-theme.scss

Author: lodewiges

app/styles/app.scss

@@ -78,4 +78,4 @@
 @import 'ember-power-select';
 
 // Dies theme, comment out when not in the Dies-week
-// @import 'dies-theme';
+@import 'dies-theme';

app/styles/dies-theme.scss

@@ -1,18 +1,18 @@
 // stylelint-disable selector-no-qualifying-type
 html.authenticated {
-  $primary-color: #840400;
-  $link-color: #840400;
-  $button-fg-color: #efead6;
-  $button-bg-color: #840400;
-  $app-bg-color: #efead6;
-  $sidebar-fg-color: #efead6;
-  $sidebar-bg-color: #840400;
-  $navbar-fg-color: #efead6;
-  $navbar-bg-color: #0f1c3f;
-  $navbar-button-fg-color: #efead6;
-  $navbar-button-bg-color: #840400;
+  $primary-color: #3b4231;
+  $link-color: #3b4231;
+  $button-fg-color: #c8ab8b;
+  $button-bg-color: #3b4231;
+  $app-bg-color: #c8ab8b;
+  $sidebar-fg-color: #c8ab8b;
+  $sidebar-bg-color: #3b4231;
+  $navbar-fg-color: #c8ab8b;
+  $navbar-bg-color: #3b4231;
+  $navbar-button-fg-color: #c8ab8b;
+  $navbar-button-bg-color: #3b4231;
   $dies-logo-url: '/images/dies_logo.png';
-  $dies-logo-width: 5rem;
+  $dies-logo-width: 2.5rem;
 
   .app {
     background-color: $app-bg-color;
@@ -127,4 +127,4 @@ html.authenticated {
   }
 
 }
-// stylelint-enable selector-no-qualifying-type
+// stylelint-enable selector-no-qualifying-type