Manual send & receive doesn't always retrieve emails
Manual send & receive doesn't always retrieve emails

There was a locking issue with POP3 providers.
Implemented disconnecting before another sync is started for POP3 accounts.

https://gitorious.org/modest/modest/commit/f2dc25426f49e090f31e858f6639726febde76ec

community-ssu/modest,community-ssu/modest,community-ssu/modest,community-ssu/modest