When filling postmaster queue, include all messages, not just unsent. Bug 727679.
When filling postmaster queue, include all messages, not just unsent. Bug 727679.

* src/engine/imap-db/outbox/smtp-outbox-folder.vala: Remove where clause
  from prefill query.

tshikaboom/geary,tshikaboom/geary,tshikaboom/geary