Merge pull request #93 from ganvinalix/master

支持amd64代码下断点
1. add BeeUIStack Popover Feature
2. fix BeeUIBoard Popover Crash bug
add support attributeString for BeeUILabel
modify comment
Merge pull request #99 from jebai0521/master

1. 添加BeeUIStackPopover功能
Merge pull request #94 from ganvinalix/master

增加iPhone6和iPhone Plus 屏幕检测宏定义
修正编译错误
Merge pull request #1 from gavinkwoe/master

合并原作者代码