build: Bump stylelint and make pass

grunt-stylelint              0.6.0  →   0.7.0
 stylelint-config-wikimedia   0.3.0  →   0.4.1

Change-Id: Id87b8df04d415e1f1058a4042a31408236402037

components/search.less

@@ -53,7 +53,7 @@ div#simpleSearch {
 		direction: ltr;
 
 		&:focus {
-			outline: none;
+			outline: 0;
 		}
 
 		// These rules MAY NOT be merged because of how CSS requires browsers

components/tabs.less

@@ -203,7 +203,7 @@ div.vectorMenu ul {
 	text-align: left;
 }
 
-// stylelint-disable selector-no-vendor-prefix
+// stylelint-disable selector-no-vendor-prefix, selector-type-no-unknown
 
 /* Fixes old versions of FireFox */
 div.vectorMenu ul,
@@ -218,7 +218,7 @@ x:default {
 	min-width: 0;
 }
 
-// stylelint-enable selector-no-vendor-prefix
+// stylelint-enable selector-no-vendor-prefix, selector-type-no-unknown
 
 div.vectorMenu li {
 	padding: 0;

components/watchstar.less

@@ -35,7 +35,7 @@
 	.background-image-svg( 'images/watch-icon-loading.svg', 'images/watch-icon-loading.png' );
 	.rotation( 700ms );
 	/* Suppress the hilarious rotating focus outline on Firefox */
-	outline: none;
+	outline: 0;
 	cursor: default;
 	pointer-events: none;
 	background-position: 50% 60%;

package.json

@@ -5,12 +5,12 @@
     "doc": "jsduck"
   },
   "devDependencies": {
-    "grunt": "1.0.1",
-    "grunt-eslint": "19.0.0",
     "eslint-config-wikimedia": "0.3.0",
+    "grunt": "1.0.1",
     "grunt-banana-checker": "0.5.0",
+    "grunt-eslint": "19.0.0",
     "grunt-jsonlint": "1.1.0",
-    "grunt-stylelint": "0.6.0",
-    "stylelint-config-wikimedia": "0.3.0"
+    "grunt-stylelint": "0.7.0",
+    "stylelint-config-wikimedia": "0.4.1"
   }
 }

variables.less

@@ -10,7 +10,7 @@
 @content-line-height: 1.6;
 @content-padding: 1em;
 @content-heading-font-size: 1.8em;
-@content-heading-font-family: 'Linux Libertine', Georgia, Times, serif;
+@content-heading-font-family: 'Linux Libertine', 'Georgia', 'Times', serif;
 @content-heading-font-family-generic: sans-serif;
 @body-background-color: #fff;
 @heading-line-height: 1.3;