Fix bug that broke notifications for group messages.
Make SMS delivery reports optional.
Fix for NPE
Bump version to 2.0.3 // FREEBIE
Don't display sender in outgoing message details

Because we don't know it. Fixes WhisperSystems#711.
Don't show letter count inside a push group or when SMS mode is disabled
Merge pull request #805 from wickedshimmy/fix-sender-details

Don't display sender in outgoing message details
Merge pull request #795 from benalbrecht/nocount

Don't show letter count when SMS mode is disabled
Add option to disable screen security

See WhisperSystems/TextSecure#788
Merge pull request #794 from SamWhited/issue788

Add option to disable screen security
Merge branch 'master' of https://github.com/WhisperSystems/TextSecure