* Spruce up compose contact-picker
- Fix random sorting for contacts missing first or last name
- Add Avatar to contact picker
- de-dupe contacts
Better copy for INVALID_MESSAGE error.
// 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.
- new avatar and updated avatar functional
- rounded corners in place, both in new/update group view and in inbox
- removed the appearance of the ability to delete members from a group.
- centering group menu in UIToolbar