询价单界面，输入框提示必填

git-svn-id: svn+ssh://10.10.101.21/source/platform/platform-b2b@2395 f3bf4e98-0cf0-11e4-a00c-a99a8b9d557d

src/main/webapp/resources/tpl/index/sale/inquiry.html

@@ -402,7 +402,7 @@
 						<div ng-repeat="reply in inquiryItem.replies">
 							<div class="form-group">
 								<input type="text" class="form-control input-xs"
-									ng-model="reply.price" placeholder="价格" />
+									ng-model="reply.price" placeholder="价格(必填)" />
 							</div>
 						</div>
 					</div>