Fixes to mm-radio

- Don't wrap label in a div
- style label as content

Author: anthonykoerber

src/mm-radio/mm-radio.html

@@ -13,9 +13,7 @@
 		<div id="radio">
 			<div class="active"></div>
 		</div>
-		<div id="label">
-			<content select="label"></content>
-		</div>
+		<content select="label"></content>
 	</template>
 </dom-module>
 <script src="mm-radio.js"></script>

src/mm-radio/mm-radio.scss

@@ -68,7 +68,7 @@
 	background-image: linear-gradient(to bottom, #bfbfbf 0%, #f2f2f2 100%);
 }
 
-#label {
+:host ::content label {
 	font-family: 'Arimo', sans-serif;
 	@include fontSmoothing();
 	color: $color-A2;