Fix Bug 341457 - Kmail (Framework branch) inserts an additional To: and...

Fix Bug 341457 - Kmail (Framework branch) inserts an additional To: and Subject: into the header upon sending emails.

BUG: 341457
Based on patch from  Dan O.

Add unittest for it.
QUrl query doesn't return "?...."
just query.
With KUrl it return "?..." => necessary to query().mid(1)

Merge remote-tracking branch 'origin/KDE/4.14'

Conflicts:
	kioslave/src/smtp/tests/requesttest.cpp