Bug ZK-2458: Area component cursor style is not correct in IE
Merge pull request #139 from hanhsu/B70-ZK-2458

Bug ZK-2458: Area component cursor style is not correct in IE
Bug ZK-2463: dynamically adding columns to frozen grids raises javascript errors
Merge branch 'B70-ZK-2463' of https://github.com/DevChu/zk
Update test case for ZK-2458