fix bug: issue-14, when an app on top of another , the folder bg is cutted.

modify the hotseat ImageView margin top .
Merge pull request #131 from whuthm/master

fix bug: issue-14, when an app on top of another , the folder bg is cutted.
Merge pull request #132 from lwanghaol/master

wanghao:fix bug:issue-29,crash when not have T card
Merge pull request #43 from heyongjian/master

merge pull request