fix border and border radius on radios/checkboxes for iOS, fix forms docs alignment on small devices

less/forms.less

@@ -85,6 +85,7 @@ input[type="radio"] {
   *margin-top: 0; /* IE7 */
   line-height: normal;
   border: none;
+  border: initial;
   cursor: pointer;
   border-radius: 0 e("\0/");
 }

less/responsive.less

@@ -50,7 +50,8 @@
   }
   // Move over buttons in .form-actions to align with .controls
   .form-horizontal .form-actions {
-    padding-left: 0;
+    padding-left: 10px;
+    padding-right: 10px;
   }
 
   // Modals