windeployqt: Fix operators in additional options check.

Task-number: QTBUG-35612

Change-Id: Ib264aeef926b9a6058ba3e2046c3dc363e13584f
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Make mailto links when used inside the documentation

[ChangeLog][Qt Assistant][Make mailto links work again in Qt Assistant]

Change-Id: Iec15c27bbced7848c800193723399b4e4abc11b9
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>