Updated source strings

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Fix tab order for webservices dialog

At least username and password have to follow each other.

Signed-off-by: Sergey Starosek <sergey.starosek@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>