Dropped unused SMTP classes

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Send a FQDN as EHLO hostname

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Updated

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Check whether the view is valid before trying to access it

Based on TortoiseSVN revision #24523.

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Better UI text grammar in Changed Files Dialog

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>