Merge pull request #13 from heyongjian/master

huangming:merge the main branch to native branch.
Merge pull request #14 from lwanghaol/master

wanghao:drawer settings
Merge pull request #14 from heyongjian/master

huangming:merge the main branch to native branch.
huangming: add the hotseat and folder adaptation for joy launcher.
Merge pull request #15 from whuthm/master

huangming:add the hotseat and folder adaptation for joy launcher.
Merge pull request #15 from heyongjian/master

huangming:merge the main branch to native branch.
huangming:add the apps installed show function for joy launcher.
Merge pull request #16 from whuthm/master

huangming: add the apps installed show function for joy launcher.
Merge pull request #9 from heyongjian/master

merger