Merged pull requests:
- Resume APNS2 delivery when async requests timeout #564 (benlangfeld)
- Improve DB reconnection for big tables #563 (AlexTatarnikov)
- Default the Rails environment to RAILS_ENV if set #562 (benlangfeld)
- Allow Apns2 payloads to be up to 4096 bytes #561 (benlangfeld)
- Improve test coverage #528 (jhottenstein)