調了1小時，試了好多方法，table view 的分隔線會被吃掉，而且每一行的長短不一樣，看起來超醜！
解法真是神奇..
Go to your table view controller and put these codes into viewDidLoad:
if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"7.0")) //should check version to prevent force closed
{
self.tableView.separatorInset = UIEdgeInsetsZero;
}
from:
http://stackoverflow.com/questions/19221886/how-to-prevent-table-cell-border-to-be-cut-by-cell-image
