modify umeng update on iOS
add umeng update
Merge branch 'develop' into feature/integration_umeng_update
add umeng update
modify samples
Merge pull request #324 from htlxyz/master

modify samples
Merge branch 'master' into feature/integration_umeng_update
modify umeng update
modify umeng update scene title
update framework
Merge pull request #325 from htlxyz/feature/integration_umeng_update

Feature/integration umeng update
modify readme
update lunchbox ad sdk to v4.2.1
remove ios proj file
Merge pull request #326 from htlxyz/feature/integration_umeng_update

Feature/integration umeng update
Merge pull request #1 from chukong/master

Master