Readd thread shadow
Fixed a crash
Renamed a method to generify it
De-Androidify PhoneNumber to move into core
Move the "draft repository" into core
Massive domain refactor

Use PhoneNumber more instead of a string address
Drafts shown in conversation list

First pass - doesn't refresh if you clear a draft
Improve notification fervour
Teeny refactor
Now show how many texts are required to send composing message
Refactor a message "type". Show failed messages as failed, rather than sending
Resend a message through a thread
In conversation list, show conversations where you answered last