[CLOUDSRV-1409] CloudPush: Push Notification causing Application Restart
[CLOUDSRV-1532] Multiple push notifications should better handled
[CLOUDSRV-1930] Update document for newly added feature of Titanium.CloudPush
[CLOUDSRV-1930] Update document for newly added feature of Titanium.CloudPush
- Refine according to Arthur's comments
[CLOUDSRV-1949] ti.cloudpush: Background - Push notification focusing app to foreground crashes app

- Fix bug
- Update example app on Ti.Cloud side, and increase version number of Ti.Cloud to 2.3.1
[CLOUDSRV-1532] Multiple push notifications should better handled

- Update sample app on a wrong property
Merge pull request #3686 from realpaul/master

[CLOUDSRV-1409] / [CLOUDSRV-1532] / [CLOUDSRV-1930] / [CLOUDSRV-1949]