Update with new toolkits

Brings in the latest govuk_frontend_toolkit available
on NPM, and the latest digitalmarketplace toolkit.

Also:
- removes external link styles, as these will no longer compile
- removes custom focused/selected classes for radios/checks

app/assets/javascripts/_selection-buttons.js

@@ -1,13 +1,10 @@
-;(function(GOVUK, GDM) {
+(function(GOVUK, GDM) {
 
   GDM.selectionButtons = function() {
 
     if (!GOVUK.SelectionButtons) return;
 
-    new GOVUK.SelectionButtons('.selection-button input', {
-      'focusedClass' : 'selection-button-focused',
-      'selectedClass' : 'selection-button-selected'
-    });
+    new GOVUK.SelectionButtons('.selection-button input');
 
     new GOVUK.ShowHideContent().init();
 

app/assets/scss/_footer.scss

@@ -102,25 +102,4 @@
       font-size: 16px;
     }
   }
-
-  .footer-categories a[rel="external"],
-  .footer-meta .footer-meta-inner a[rel="external"] {
-    /* There is no mixin for a 16px black link with a font weight of normal in the govuk toolkit hence the variant below */
-    &:after {
-      content: "\A0\A0\A0\A0\A0";
-      background-position: right 3px;
-      background-image: file-url("external-links/external-link-black-12x12.png");
-      background-repeat: no-repeat;
-
-      @include device-pixel-ratio() {
-        background-image: file-url("external-links/external-link-black-24x24.png");
-        background-size: 12px 12px;
-      }
-    }
-
-    &:hover:after {
-      background-position: right 3px;
-    }
-  }
-
 }

app/assets/scss/application.scss

@@ -16,8 +16,9 @@ $path: "/suppliers/static/images/";
 @import "shared_scss/_dmspeak.scss";
 
 /* Blocks shared between multiple selectors */
-@import "shared_placeholders/_temporary-messages.scss";
-@import "shared_placeholders/_dm-typography.scss";
+@import "toolkit/shared_placeholders/_temporary-messages.scss";
+@import "toolkit/shared_placeholders/_placeholders.scss";
+@import "toolkit/shared_placeholders/_dm-typography.scss";
 
 #wrapper, .wrapper {
   @extend %site-width-container;

bower.json

@@ -5,7 +5,7 @@
     "jquery": "1.11.2",
     "hogan": "3.0.2",
     "jquery-details": "https://github.com/mathiasbynens/jquery-details/archive/v0.1.0.tar.gz",
-    "digitalmarketplace-frontend-toolkit": "https://github.com/alphagov/digitalmarketplace-frontend-toolkit.git#v19.3.1",
+    "digitalmarketplace-frontend-toolkit": "https://github.com/alphagov/digitalmarketplace-frontend-toolkit.git#v20.0.0",
     "govuk_template": "https://github.com/alphagov/govuk_template/releases/download/v0.19.2/jinja_govuk_template-0.19.2.tgz",
     "digitalmarketplace-frameworks": "https://github.com/alphagov/digitalmarketplace-frameworks.git#5.15.2"
   }

package.json

@@ -7,7 +7,7 @@
   "dependencies": {
     "bower": "1.5.2",
     "del": "1.1.1",
-    "govuk_frontend_toolkit": "4.18.0",
+    "govuk_frontend_toolkit": "5.0.3",
     "gulp": "3.8.7",
     "gulp-filelog": "0.4.1",
     "gulp-include": "1.1.1",