refactor(item): added the ability to assign no-lines to an item and remove the borders on that item only

references #387

ionic/components/item/modes/ios.scss

@@ -268,3 +268,14 @@ ion-card {
   }
 
 }
+
+.item[no-lines] {
+  &:before,
+  &:after {
+    border-width: 0;
+  }
+
+  + .item:before {
+    border-width: 0;
+  }
+}

ionic/components/item/modes/md.scss

@@ -254,3 +254,14 @@ button.item {
     box-shadow: none;
   }
 }
+
+.item[no-lines] {
+  &:before,
+  &:after {
+    border-width: 0;
+  }
+
+  + .item:before {
+    border-width: 0;
+  }
+}

ionic/components/item/test/text/main.html

@@ -12,9 +12,13 @@
       Single line text that should have ellipses when it doesn't all fit in the item
     </ion-item>
 
+    <ion-item no-lines>
+      Single line item with no lines
+    </ion-item>
+
     <ion-item text-wrap>
       Multiline text that should wrap when it is too long
-      to fit on one line in the item. Class on .item
+      to fit on one line in the item. Attribute on .item
     </ion-item>
 
     <ion-item text-wrap>