feat(MdRadio): add support for md-primary hue

Author: marcosmoura

src/components/MdRadio/MdRadio.vue

@@ -30,9 +30,7 @@
       },
       id: {
         type: String,
-        default () {
-          return 'md-radio-' + MdUuid()
-        }
+        default: () => 'md-radio-' + MdUuid()
       },
       name: [String, Number],
       required: Boolean,

src/components/MdRadio/theme.scss

@@ -14,6 +14,20 @@
       }
     }
 
+    &.md-checked.md-primary {
+      .md-radio-container {
+        @include md-theme-property(border-color, primary);
+
+        &:after {
+          @include md-theme-property(background-color, primary);
+        }
+      }
+
+      .md-ripple {
+        @include md-theme-property(color, primary);
+      }
+    }
+
     @if md-get-theme-mode() == light {
       .md-radio-container {
         border-color: rgba(#000, .54);