Shows the conversation picker, and sends the attachment to that
conversation.
There's still a lot TODO
-[ ] resolve JSQ dependency
-[ ] properly wait for app to load
-[ ] dismiss share extension after send is complete
-[ ] support non jpeg file types
-[ ] Fix device sleep manager
// FREEBIE
- Using same clang format file for old and new files.
- Moving out all TextSecure code to allow other clients (OS X, iOS) to
integrate easily TextSecure functionality.
- Use TextSecure API to signup.
